UBUNTU-CVE-2020-20902
- Source
- https://ubuntu.com/security/CVE-2020-20902
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-20902.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-20902
- Upstream
- Downstream
- Related
- Published
- 2021-09-20T16:15:00Z
- Modified
- 2026-04-22T12:32:44.349083Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
- Ubuntu - low
- Summary
- [none]
- Details
-
A CWE-125: Out-of-bounds read vulnerability exists in longtermfilter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.
- References
Affected packages
Ubuntu:Pro:16.04:LTS / ffmpeg
Package
- Name
- ffmpeg
- Purl
- pkg:deb/ubuntu/ffmpeg@7:2.8.17-0ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed7:2.8.17-0ubuntu0.1+esm1
Affected versions
7:2.*
7:2.7.2-1build1
7:2.8.1-1ubuntu1
7:2.8.2-1ubuntu1
7:2.8.3-1
7:2.8.4-1
7:2.8.4-1ubuntu1
7:2.8.4-1ubuntu2
7:2.8.4-1ubuntu3
7:2.8.4-1ubuntu4
7:2.8.6-1ubuntu1
7:2.8.6-1ubuntu2
7:2.8.8-0ubuntu0.16.04.1
7:2.8.10-0ubuntu0.16.04.1
7:2.8.11-0ubuntu0.16.04.1
7:2.8.14-0ubuntu0.16.04.1
7:2.8.15-0ubuntu0.16.04.1
7:2.8.15-0ubuntu0.16.04.1+esm1
7:2.8.17-0ubuntu0.1
Ecosystem specific
{
"binaries": [
{
"binary_name": "ffmpeg",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libav-tools",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavcodec-extra",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavcodec-ffmpeg-extra56",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavcodec-ffmpeg56",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavdevice-ffmpeg56",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavfilter-ffmpeg5",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavformat-ffmpeg56",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavresample-ffmpeg2",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libavutil-ffmpeg54",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libpostproc-ffmpeg53",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libswresample-ffmpeg1",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
},
{
"binary_name": "libswscale-ffmpeg3",
"binary_version": "7:2.8.17-0ubuntu0.1+esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}