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4 vulnerabilities found for l-smash by l-smash
CVE-2026-110599 (GCVE-0-2026-110599)
Vulnerability from nvd – Published: 2026-10-14 14:16 – Updated: 2026-10-14 16:16
VLAI
EPSS
VEX
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
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
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 |
Date Public
2026-10-14 00:00
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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
VLAI
EPSS
VEX
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
5.5 (Medium)
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
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 |
Date Public
2016-01-30 00:00
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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
VLAI
EPSS
VEX
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
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
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 |
Date Public
2026-10-14 00:00
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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
VLAI
EPSS
VEX
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
5.5 (Medium)
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
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 |
Date Public
2016-01-30 00:00
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"vendor": "l-smash",
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"status": "affected",
"version": "0",
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"type": "finder",
"value": "canbal"
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{
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"type": "finder",
"value": "HaiND from the Post and Telecommunication Institute of Technology"
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"datePublic": "2016-01-30T00:00:00.000Z",
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"value": "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."
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"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"vectorString": "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",
"version": "4.0",
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"vulnIntegrityImpact": "NONE"
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
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"descriptions": [
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"cweId": "CWE-835",
"description": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
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"references": [
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"tags": [
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"url": "https://github.com/l-smash/l-smash/pull/58"
},
{
"tags": [
"technical-description"
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"url": "https://github.com/l-smash/l-smash/blob/v2.14.5/importer/vc1_imp.c#L462-L488"
},
{
"tags": [
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"url": "https://hackmd.io/@haind-pwn/l-smash-hevc-importer-double-free"
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{
"name": "VulnCheck Advisory: L-SMASH through 2.14.5 Infinite Loop in VC-1 Importer Probe",
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"url": "https://www.vulncheck.com/advisories/l-smash-through-2.14.5-infinite-loop-in-vc-1-importer-probe"
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],
"title": "L-SMASH through 2.14.5 Infinite Loop in VC-1 Importer Probe",
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"datePublished": "2026-10-14T14:16:26.855Z",
"dateReserved": "2026-10-14T13:07:15.161Z",
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