Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
10360 vulnerabilities reference this CWE, most recent first.
CVE-2026-24927 (GCVE-0-2026-24927)
Vulnerability from cvelistv5 – Published: 2026-02-06 09:10 – Updated: 2026-02-06 16:07
VLAI
EPSS
VEX
Summary
Out-of-bounds access vulnerability in the frequency modulation module.
Impact: Successful exploitation of this vulnerability may affect availability.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 16:05 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
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CVE-2026-24917 (GCVE-0-2026-24917)
Vulnerability from cvelistv5 – Published: 2026-02-06 08:52 – Updated: 2026-02-06 16:27
VLAI
EPSS
VEX
Summary
UAF vulnerability in the security module.
Impact: Successful exploitation of this vulnerability may affect availability.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 16:27 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
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CVE-2026-24914 (GCVE-0-2026-24914)
Vulnerability from cvelistv5 – Published: 2026-02-06 08:26 – Updated: 2026-02-06 17:02
VLAI
EPSS
VEX
Summary
Type confusion vulnerability in the camera module.
Impact: Successful exploitation of this vulnerability may affect availability.
Severity
4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 17:00 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2026-24684 (GCVE-0-2026-24684)
Vulnerability from cvelistv5 – Published: 2026-02-09 18:23 – Updated: 2026-02-10 16:01
VLAI
EPSS
VEX
Title
FreeRDP has a Heap-use-after-free in play_thread
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, the RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsnd_treat_wave. This vulnerability is fixed in 3.22.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 15:39 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
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CVE-2026-24683 (GCVE-0-2026-24683)
Vulnerability from cvelistv5 – Published: 2026-02-09 18:22 – Updated: 2026-02-10 16:01
VLAI
EPSS
VEX
Title
FreeRDP has a heap-use-after-free in ainput_send_input_event
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. ainput_send_input_event caches channel_callback in a local variable and later uses it without synchronization; a concurrent channel close can free or reinitialize the callback, leading to a use after free. Prior to 3.22.0, This vulnerability is fixed in 3.22.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 15:39 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
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CVE-2026-24681 (GCVE-0-2026-24681)
Vulnerability from cvelistv5 – Published: 2026-02-09 18:20 – Updated: 2026-02-10 16:02
VLAI
EPSS
VEX
Title
FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, aAsynchronous bulk transfer completions can use a freed channel callback after URBDRC channel close, leading to a use after free in urb_write_completion. This vulnerability is fixed in 3.22.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 15:40 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
| https://github.com/FreeRDP/FreeRDP/commit/414f701… | x_refsource_MISC |
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CVE-2026-24680 (GCVE-0-2026-24680)
Vulnerability from cvelistv5 – Published: 2026-02-09 18:19 – Updated: 2026-02-10 16:02
VLAI
EPSS
VEX
Title
FreeRDP has a heap-use-after-free in update_pointer_new(SDL)
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, sdl_Pointer_New frees data on failure, then pointer_free calls sdl_Pointer_Free and frees it again, triggering ASan UAF. This vulnerability is fixed in 3.22.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 15:40 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
| https://github.com/FreeRDP/FreeRDP/commit/c42ecbd… | x_refsource_MISC |
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CVE-2026-24678 (GCVE-0-2026-24678)
Vulnerability from cvelistv5 – Published: 2026-02-09 18:17 – Updated: 2026-07-15 01:17
VLAI
EPSS
VEX
Title
FreeRDP has a Heap-use-after-free in cam_v4l_stream_capture_thread
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 15:40 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
| https://github.com/FreeRDP/FreeRDP/commit/f3ab1a1… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-24678 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2438197 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:4121 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3068 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19033 | vendor-advisoryx_refsource_REDHAT |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| FreeRDP | FreeRDP |
Affected:
< 3.22.0
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
2:3.10.3-12.el10_2.2 , < *
(rpm)
Unaffected: 2:3.10.3-5.el10_1.2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
2:3.10.3-3.el10_0.2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
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CVE-2026-24677 (GCVE-0-2026-24677)
Vulnerability from cvelistv5 – Published: 2026-02-09 18:16 – Updated: 2026-02-10 16:02
VLAI
EPSS
VEX
Title
FreeRDP has a heap-buffer-overflow in ecam_encoder_compress_h264
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale. This vulnerability is fixed in 3.22.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 15:40 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
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CVE-2026-24676 (GCVE-0-2026-24676)
Vulnerability from cvelistv5 – Published: 2026-02-09 18:15 – Updated: 2026-02-10 16:02
VLAI
EPSS
VEX
Title
FreeRDP has a heap-use-after-free in audio_format_compatible
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin->format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 15:40 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
| https://github.com/FreeRDP/FreeRDP/commit/026b81a… | x_refsource_MISC |
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Mitigation
Architecture and Design
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Implementation
Strategy: Attack Surface Reduction
When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
No CAPEC attack patterns related to this CWE.