CVE-2021-38114: debian debian_linux Unchecked Return Value
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-38114DEBIAN-CVE-2021-38114
Published 04-08-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-38114 is a medium (CVSS 5.5) Unchecked Return Value vulnerability in debian debian_linux. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.1% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
1.03%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 6Timeline
- 04-08-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
libavcodec/dnxhddec.c in FFmpeg 4.4 does not check the return value of the init_vlc function, a similar issue to CVE-2013-0868.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.03% on 19-09-2026
19-09-202619-10-2026
EPSS score1.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- ffmpeg< 7:4.4.1-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Ffmpeg1 product
- ffmpeg4.4
Ubuntu1 product
- ffmpeg< 7:2.8.17-0ubuntu0.1+esm4 | < 7:3.4.11-0ubuntu0.1 | < 7:4.2.7-0ubuntu0.1
3 vendors · 4 products
References
11 links- github.com/FFmpeg/FFmpeg/commit/7150f9575671f898382c370acae35f9087a30ba1X Refsource MISCREPORTPatchThird Party Advisory
- patchwork.ffmpeg.org/project/…X Refsource MISC
lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing ListX Refsource MLISTThird Party Advisory