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CVE-2026-112279 (GCVE-0-2026-112279)

Vulnerability from nvd – Published: 2026-10-19 13:55 – Updated: 2026-10-19 17:56 Unsupported When Assigned

Title

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_bmpcache2

Summary

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_bmpcache2() in orders.c that allows malicious RDP servers to crash clients via crafted revision-2 bitmap cache orders. Attackers can send an uncompressed order with large width/height or an underflowing mode nibble and short payload, causing memcpy() reads past the receive buffer and denial of service.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-19 17:55 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6614 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haindpwn/rdesktop-bitmap-decom…	third-party-advisory
https://github.com/rdesktop/rdesktop/issues/436	issue-tracking
https://github.com/rdesktop/rdesktop/pull/437	patchissue-tracking
https://github.com/rdesktop/rdesktop/blob/v1.9.0/…	technical-description
https://www.vulncheck.com/advisories/rdesktop-thr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rdesktop	rdesktop	Affected: 0 , ≤ 1.9.0 (custom) cpe:2.3:a:rdesktop:rdesktop::::::::

Date Public

2026-06-26 17:08

Credits

HaiND from the Post and Telecommunication Institute of Technology m4st3r3k

Show details on NVD website

JSON

To clipboard

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CVE-2026-112278 (GCVE-0-2026-112278)

Vulnerability from nvd – Published: 2026-10-19 13:55 – Updated: 2026-10-19 13:55 Unsupported When Assigned

Title

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_raw_bmpcache

Summary

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_raw_bmpcache() in orders.c that allows malicious RDP servers to crash clients. Attackers can send a raw bitmap cache order declaring large width, height, and bpp values with a tiny payload, causing memcpy() to read past the receive buffer and crash the client.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6614 records in the last 180 days details

References

4 references

URL	Tags
https://hackmd.io/@haindpwn/rdesktop-bitmap-decom…	third-party-advisory
https://github.com/rdesktop/rdesktop/pull/437	patchissue-tracking
https://github.com/rdesktop/rdesktop/blob/v1.9.0/…	technical-description
https://www.vulncheck.com/advisories/rdesktop-thr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rdesktop	rdesktop	Affected: 0 , ≤ 1.9.0 (custom) cpe:2.3:a:rdesktop:rdesktop::::::::

Date Public

2026-09-25 10:57

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

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CVE-2026-112277 (GCVE-0-2026-112277)

Vulnerability from nvd – Published: 2026-10-19 13:55 – Updated: 2026-10-19 19:28 Unsupported When Assigned

Title

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_plane

Summary

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_plane() in bitmap.c that allows malicious RDP servers to crash clients by sending malformed 32 bpp compressed bitmaps. Attackers can declare a large bitmap geometry with a short compressed body in bitmap update PDUs or bitmap cache orders, causing unbounded reads past the receive buffer and denial of service.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-19 19:28 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6614 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haindpwn/rdesktop-bitmap-decom…	third-party-advisory
https://github.com/rdesktop/rdesktop/issues/436	issue-tracking
https://github.com/rdesktop/rdesktop/pull/437	patchissue-tracking
https://github.com/rdesktop/rdesktop/blob/v1.9.0/…	technical-description
https://www.vulncheck.com/advisories/rdesktop-thr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rdesktop	rdesktop	Affected: 0 , ≤ 1.9.0 (custom) cpe:2.3:a:rdesktop:rdesktop::::::::

Date Public

2026-06-26 17:08

Credits

HaiND from the Post and Telecommunication Institute of Technology m4st3r3k

Show details on NVD website

JSON

To clipboard

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    "datePublished": "2026-10-19T13:55:23.436Z",
    "dateReserved": "2026-10-19T13:25:29.594Z",
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CVE-2019-15682 (GCVE-0-2019-15682)

Vulnerability from nvd – Published: 2019-10-30 15:42 – Updated: 2024-08-05 00:56

Summary

RDesktop version 1.8.4 contains multiple out-of-bound access read vulnerabilities in its code, which results in a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. These issues have been fixed in version 1.8.5

Severity

No CVSS data available.

CWE

CWE-125 - Out-of-bounds Read

Assigner

Kaspersky CNA under the mitre root

CNA scorecard – unranked: 9 records in the last 180 days, 10 needed details

References

1 reference

URL	Tags
https://ics-cert.kaspersky.com/advisories/klcert-…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
RDesktop	RDesktop	Affected: 1.8.4

Show details on NVD website

JSON

To clipboard

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CVE-2018-20182 (GCVE-0-2018-20182)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain a Buffer Overflow over the global variables in the function seamless_process_line() that results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20181 (GCVE-0-2018-20181)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20180 (GCVE-0-2018-20180)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function rdpsnddbg_process() and results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20179 (GCVE-0-2018-20179)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function lspci_process() and results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20178 (GCVE-0-2018-20178)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20177 (GCVE-0-2018-20177)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20176 (GCVE-0-2018-20176)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain several Out-Of- Bounds Reads in the file secure.c that result in a Denial of Service (segfault).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20175 (GCVE-0-2018-20175)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:51

Summary

rdesktop versions up to and including v1.8.3 contains several Integer Signedness errors that lead to Out-Of-Bounds Reads in the file mcs.c and result in a Denial of Service (segfault).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20174 (GCVE-0-2018-20174)

Vulnerability from nvd – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:51

Summary

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function ui_clip_handle_data() that results in an information leak.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-8800 (GCVE-0-2018-8800)

Vulnerability from nvd – Published: 2019-02-05 20:00 – Updated: 2024-09-16 23:51

Summary

rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function ui_clip_handle_data() that results in a memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

checkpoint CNA under the mitre root

CNA scorecard C 66/100 over 17 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
Check Point Software Technologies Ltd.	rdesktop	Affected: All versions up to and including v1.8.3

Date Public

2019-02-05 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-8799 (GCVE-0-2018-8799)

Vulnerability from nvd – Published: 2019-02-05 20:00 – Updated: 2024-09-17 03:17

Summary

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function process_secondary_order() that results in a Denial of Service (segfault).

Severity

No CVSS data available.

CWE

CWE-126 - Buffer Over-read

Assigner

checkpoint CNA under the mitre root

CNA scorecard C 66/100 over 17 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
Check Point Software Technologies Ltd.	rdesktop	Affected: All versions up to and including v1.8.3

Date Public

2019-02-05 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-8798 (GCVE-0-2018-8798)

Vulnerability from nvd – Published: 2019-02-05 20:00 – Updated: 2024-09-16 19:36

Summary

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function rdpsnd_process_ping() that results in an information leak.

Severity

No CVSS data available.

CWE

CWE-126 - Buffer Over-read

Assigner

checkpoint CNA under the mitre root

CNA scorecard C 66/100 over 17 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
Check Point Software Technologies Ltd.	rdesktop	Affected: All versions up to and including v1.8.3

Date Public

2019-02-05 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-8797 (GCVE-0-2018-8797)

Vulnerability from nvd – Published: 2019-02-05 20:00 – Updated: 2024-09-16 22:35

Summary

rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function process_plane() that results in a memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

checkpoint CNA under the mitre root

CNA scorecard C 66/100 over 17 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
Check Point Software Technologies Ltd.	rdesktop	Affected: All versions up to and including v1.8.3

Date Public

2019-02-05 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2026-112279 (GCVE-0-2026-112279)

Vulnerability from cvelistv5 – Published: 2026-10-19 13:55 – Updated: 2026-10-19 17:56 Unsupported When Assigned

Title

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_bmpcache2

Summary

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_bmpcache2() in orders.c that allows malicious RDP servers to crash clients via crafted revision-2 bitmap cache orders. Attackers can send an uncompressed order with large width/height or an underflowing mode nibble and short payload, causing memcpy() reads past the receive buffer and denial of service.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-19 17:55 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6614 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haindpwn/rdesktop-bitmap-decom…	third-party-advisory
https://github.com/rdesktop/rdesktop/issues/436	issue-tracking
https://github.com/rdesktop/rdesktop/pull/437	patchissue-tracking
https://github.com/rdesktop/rdesktop/blob/v1.9.0/…	technical-description
https://www.vulncheck.com/advisories/rdesktop-thr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rdesktop	rdesktop	Affected: 0 , ≤ 1.9.0 (custom) cpe:2.3:a:rdesktop:rdesktop::::::::

Date Public

2026-06-26 17:08

Credits

HaiND from the Post and Telecommunication Institute of Technology m4st3r3k

Show details on NVD website

JSON

To clipboard

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CVE-2026-112278 (GCVE-0-2026-112278)

Vulnerability from cvelistv5 – Published: 2026-10-19 13:55 – Updated: 2026-10-19 13:55 Unsupported When Assigned

Title

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_raw_bmpcache

Summary

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_raw_bmpcache() in orders.c that allows malicious RDP servers to crash clients. Attackers can send a raw bitmap cache order declaring large width, height, and bpp values with a tiny payload, causing memcpy() to read past the receive buffer and crash the client.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6614 records in the last 180 days details

References

4 references

URL	Tags
https://hackmd.io/@haindpwn/rdesktop-bitmap-decom…	third-party-advisory
https://github.com/rdesktop/rdesktop/pull/437	patchissue-tracking
https://github.com/rdesktop/rdesktop/blob/v1.9.0/…	technical-description
https://www.vulncheck.com/advisories/rdesktop-thr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rdesktop	rdesktop	Affected: 0 , ≤ 1.9.0 (custom) cpe:2.3:a:rdesktop:rdesktop::::::::

Date Public

2026-09-25 10:57

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

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CVE-2026-112277 (GCVE-0-2026-112277)

Vulnerability from cvelistv5 – Published: 2026-10-19 13:55 – Updated: 2026-10-19 19:28 Unsupported When Assigned

Title

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_plane

Summary

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_plane() in bitmap.c that allows malicious RDP servers to crash clients by sending malformed 32 bpp compressed bitmaps. Attackers can declare a large bitmap geometry with a short compressed body in bitmap update PDUs or bitmap cache orders, causing unbounded reads past the receive buffer and denial of service.

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-19 19:28 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6614 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haindpwn/rdesktop-bitmap-decom…	third-party-advisory
https://github.com/rdesktop/rdesktop/issues/436	issue-tracking
https://github.com/rdesktop/rdesktop/pull/437	patchissue-tracking
https://github.com/rdesktop/rdesktop/blob/v1.9.0/…	technical-description
https://www.vulncheck.com/advisories/rdesktop-thr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
rdesktop	rdesktop	Affected: 0 , ≤ 1.9.0 (custom) cpe:2.3:a:rdesktop:rdesktop::::::::

Date Public

2026-06-26 17:08

Credits

HaiND from the Post and Telecommunication Institute of Technology m4st3r3k

Show details on NVD website

JSON

To clipboard

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CVE-2019-15682 (GCVE-0-2019-15682)

Vulnerability from cvelistv5 – Published: 2019-10-30 15:42 – Updated: 2024-08-05 00:56

Summary

RDesktop version 1.8.4 contains multiple out-of-bound access read vulnerabilities in its code, which results in a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. These issues have been fixed in version 1.8.5

Severity

No CVSS data available.

CWE

CWE-125 - Out-of-bounds Read

Assigner

Kaspersky CNA under the mitre root

CNA scorecard – unranked: 9 records in the last 180 days, 10 needed details

References

1 reference

URL	Tags
https://ics-cert.kaspersky.com/advisories/klcert-…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
RDesktop	RDesktop	Affected: 1.8.4

Show details on NVD website

JSON

To clipboard

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CVE-2018-20177 (GCVE-0-2018-20177)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20179 (GCVE-0-2018-20179)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function lspci_process() and results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20178 (GCVE-0-2018-20178)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20176 (GCVE-0-2018-20176)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain several Out-Of- Bounds Reads in the file secure.c that result in a Denial of Service (segfault).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
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https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20181 (GCVE-0-2018-20181)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20182 (GCVE-0-2018-20182)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain a Buffer Overflow over the global variables in the function seamless_process_line() that results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20175 (GCVE-0-2018-20175)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:51

Summary

rdesktop versions up to and including v1.8.3 contains several Integer Signedness errors that lead to Out-Of-Bounds Reads in the file mcs.c and result in a Denial of Service (segfault).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20174 (GCVE-0-2018-20174)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:51

Summary

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function ui_clip_handle_data() that results in an information leak.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-20180 (GCVE-0-2018-20180)

Vulnerability from cvelistv5 – Published: 2019-03-15 18:00 – Updated: 2024-08-05 11:58

Summary

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function rdpsnddbg_process() and results in memory corruption and probably even a remote code execution.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

7 references

URL	Tags
http://www.securityfocus.com/bid/106938	vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca5…	x_refsource_MISC
https://security.gentoo.org/glsa/201903-06	vendor-advisoryx_refsource_GENTOO
https://research.checkpoint.com/reverse-rdp-attac…	x_refsource_CONFIRM
https://www.debian.org/security/2019/dsa-4394	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2019-01-16 00:00

Show details on NVD website

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