CVE-2020-20896
- Source
- https://cve.org/CVERecord?id=CVE-2020-20896
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-20896.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-20896
- Downstream
- Related
- Published
- 2021-09-20T16:15:09.167Z
- Modified
- 2026-08-16T08:40:19.784519Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in function latmwritepacket in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.
- References
Affected packages
Git / git.ffmpeg.org/ffmpeg.git
Affected versions
Other
N
n0.*
n0.11-dev
n0.12-dev
n0.8
n1.*
n1.1-dev
n1.2-dev
n1.3-dev
n2.*
n2.0
n2.1-dev
n2.2-dev
n2.3-dev
n2.4-dev
n2.5-dev
n2.6-dev
n2.7-dev
n2.8-dev
n2.9-dev
n3.*
n3.1-dev
n3.2-dev
n3.3-dev
n3.4-dev
n3.5-dev
n4.*
n4.1-dev
n4.2-dev
n4.3-dev
Database specific
vanir_signatures
[
{
"digest": {
"threshold": 0.9,
"line_hashes": [
"289650723740617240047631253826052269792",
"50140283604854964284110220465205697211",
"129133804975535101787841081332085239044",
"258251669415981779699188875724056740232"
]
},
"id": "CVE-2020-20896-11f4b120",
"deprecated": false,
"target": {
"file": "libavformat/latmenc.c"
},
"signature_version": "v1",
"source": "https://git.ffmpeg.org/ffmpeg.git@dd01947397b98e94c3f2a79d5820aaf4594f4d3b",
"signature_type": "Line"
},
{
"digest": {
"function_hash": "233672656897557032709782832246145849603",
"length": 1772.0
},
"id": "CVE-2020-20896-e21d234a",
"deprecated": false,
"target": {
"function": "latm_write_packet",
"file": "libavformat/latmenc.c"
},
"signature_version": "v1",
"source": "https://git.ffmpeg.org/ffmpeg.git@dd01947397b98e94c3f2a79d5820aaf4594f4d3b",
"signature_type": "Function"
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-20896.json"
vanir_signatures_modified
"2026-08-16T08:40:19Z"