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CVE-2026-110599 (GCVE-0-2026-110599)

Vulnerability from nvd – Published: 2026-10-14 14:16 – Updated: 2026-10-14 16:16

Title

L-SMASH through 2.14.5 Double Free in HEVC and H.264 Importer Probe

Summary

L-SMASH through 2.14.5 contains a double free vulnerability in hevc_setup_first_summary() and h264_setup_first_summary() in importer/nalu_imp.c that frees borrowed codec-specific objects on error paths. Attackers can supply a crafted Annex-B elementary stream lacking a parseable SPS to lsmash_read_file() or the boxdumper, remuxer, or muxer tools, causing use-after-free, heap corruption, and crashes.

Severity

6.9 (Medium)


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

7.1 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-14 16:16 UTC

CWE

CWE-415 - Double Free

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6106 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haind-pwn/l-smash-hevc-importe…	third-party-advisory
https://github.com/l-smash/l-smash/blob/v2.14.5/i…	technical-description
https://github.com/l-smash/l-smash/blob/v2.14.5/i…	technical-description
https://www.vulncheck.com/advisories/l-smash-thro…	third-party-advisory
https://hackmd.io/@haind-pwn/cve-2016-20099-2026-…	exploit

Impacted products

1 product

Vendor	Product	Version
l-smash	l-smash	Affected: 0 , ≤ 2.14.5 (semver)

Date Public

2026-10-14 00:00

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

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CVE-2016-20099 (GCVE-0-2016-20099)

Vulnerability from nvd – Published: 2026-10-14 14:16 – Updated: 2026-10-14 17:44

Title

L-SMASH through 2.14.5 Infinite Loop in VC-1 Importer Probe

Summary

L-SMASH through 2.14.5 contains an infinite loop vulnerability in vc1_importer_probe() in importer/vc1_imp.c that allows attackers to hang applications via crafted input files. Attackers can supply a file consisting only of zero bytes, which lsmash_read_file() probes automatically, causing indefinite CPU consumption and denial of service.

Severity

6.8 (Medium)


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

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/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 2026-10-14 17:44 UTC

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6106 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/l-smash/l-smash/pull/58	patchissue-tracking
https://github.com/l-smash/l-smash/blob/v2.14.5/i…	technical-description
https://hackmd.io/@haind-pwn/l-smash-hevc-importe…	third-party-advisory
https://www.vulncheck.com/advisories/l-smash-thro…	third-party-advisory
https://hackmd.io/@haind-pwn/cve-2016-20099-2026-…	exploit

Impacted products

1 product

Vendor	Product	Version
l-smash	l-smash	Affected: 0 , ≤ 2.14.5 (semver)

Date Public

2016-01-30 00:00

Credits

canbal HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

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CVE-2026-110599 (GCVE-0-2026-110599)

Vulnerability from cvelistv5 – Published: 2026-10-14 14:16 – Updated: 2026-10-14 16:16

Title

L-SMASH through 2.14.5 Double Free in HEVC and H.264 Importer Probe

Summary

L-SMASH through 2.14.5 contains a double free vulnerability in hevc_setup_first_summary() and h264_setup_first_summary() in importer/nalu_imp.c that frees borrowed codec-specific objects on error paths. Attackers can supply a crafted Annex-B elementary stream lacking a parseable SPS to lsmash_read_file() or the boxdumper, remuxer, or muxer tools, causing use-after-free, heap corruption, and crashes.

Severity

6.9 (Medium)


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

7.1 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-14 16:16 UTC

CWE

CWE-415 - Double Free

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6106 records in the last 180 days details

References

5 references

URL	Tags
https://hackmd.io/@haind-pwn/l-smash-hevc-importe…	third-party-advisory
https://github.com/l-smash/l-smash/blob/v2.14.5/i…	technical-description
https://github.com/l-smash/l-smash/blob/v2.14.5/i…	technical-description
https://www.vulncheck.com/advisories/l-smash-thro…	third-party-advisory
https://hackmd.io/@haind-pwn/cve-2016-20099-2026-…	exploit

Impacted products

1 product

Vendor	Product	Version
l-smash	l-smash	Affected: 0 , ≤ 2.14.5 (semver)

Date Public

2026-10-14 00:00

Credits

HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

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CVE-2016-20099 (GCVE-0-2016-20099)

Vulnerability from cvelistv5 – Published: 2026-10-14 14:16 – Updated: 2026-10-14 17:44

Title

L-SMASH through 2.14.5 Infinite Loop in VC-1 Importer Probe

Summary

L-SMASH through 2.14.5 contains an infinite loop vulnerability in vc1_importer_probe() in importer/vc1_imp.c that allows attackers to hang applications via crafted input files. Attackers can supply a file consisting only of zero bytes, which lsmash_read_file() probes automatically, causing indefinite CPU consumption and denial of service.

Severity

6.8 (Medium)


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

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/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 2026-10-14 17:44 UTC

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6106 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/l-smash/l-smash/pull/58	patchissue-tracking
https://github.com/l-smash/l-smash/blob/v2.14.5/i…	technical-description
https://hackmd.io/@haind-pwn/l-smash-hevc-importe…	third-party-advisory
https://www.vulncheck.com/advisories/l-smash-thro…	third-party-advisory
https://hackmd.io/@haind-pwn/cve-2016-20099-2026-…	exploit

Impacted products

1 product

Vendor	Product	Version
l-smash	l-smash	Affected: 0 , ≤ 2.14.5 (semver)

Date Public

2016-01-30 00:00

Credits

canbal HaiND from the Post and Telecommunication Institute of Technology

Show details on NVD website

JSON

To clipboard

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4 vulnerabilities by l-smash

CVE-2026-110599 (GCVE-0-2026-110599)

CVE-2016-20099 (GCVE-0-2016-20099)

CVE-2026-110599 (GCVE-0-2026-110599)

CVE-2016-20099 (GCVE-0-2016-20099)