CVE-2021-40565
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-40565
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40565.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-40565
- Downstream
- Published
- 2022-01-12T22:15:07.890Z
- Modified
- 2025-11-20T11:53:40.189606Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A Segmentation fault caused by a null pointer dereference vulnerability exists in Gpac through 1.0.1 via the gfavcparsenalu function in avparsers.c when using mp4box, which causes a denial of service.
- References
Affected packages
Git / github.com/gpac/gpac
Affected ranges
- Type
- GIT
- Repo
- https://github.com/gpac/gpac
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
v0.*
v0.5.2
v0.6.0
v0.6.1
v0.7.0
v0.7.1
v0.8.0
v0.9.0
v0.9.0-preview
v1.*
v1.0.0
v1.0.1
Database specific
vanir_signatures
[
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"function_hash": "335139963073710083307518464564153621026",
"length": 4132.0
},
"id": "CVE-2021-40565-23cf188a",
"signature_type": "Function",
"source": "https://github.com/gpac/gpac/commit/893fb99b606eebfae46cde151846a980e689039b",
"target": {
"file": "src/media_tools/av_parsers.c",
"function": "gf_avc_parse_nalu"
}
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"153580916275024851464425229044186991413",
"89277541988750827498244866193382836173",
"58821412537713668385346327648233806553",
"48322499738277173370318441782040572189"
]
},
"id": "CVE-2021-40565-5f5519ab",
"signature_type": "Line",
"source": "https://github.com/gpac/gpac/commit/893fb99b606eebfae46cde151846a980e689039b",
"target": {
"file": "src/media_tools/av_parsers.c"
}
}
]