CVE-2021-30475: aomedia Classic Buffer Overflow
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2021-30475SUSE-SU-2021:3005-1UBUNTU-CVE-2021-30475DEBIAN-CVE-2021-30475openSUSE-SU-2021:1254-1openSUSE-SU-2021:3005-1openSUSE-SU-2024:10924-1
Published 04-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-30475 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in aomedia. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.22%
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 4 · Related 1Timeline
- 04-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
aom_dsp/noise_model.c in libaom in AOMedia before 2021-03-24 has a buffer overflow.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.22%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.22% on 19-09-2026
19-09-202619-10-2026
EPSS score2.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Opensuse3 products
- libaom&distro=openSUSE Leap 15.2< 1.0.0-lp152.3.3.1
- libaom&distro=openSUSE Leap 15.3< 1.0.0-3.3.1
- libaom&distro=openSUSE Tumbleweed< 3.1.2-1.2
Suse2 products
- libaom&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP2< 1.0.0-3.3.1
- libaom&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP3< 1.0.0-3.3.1
Alpine1 product
- aom< 3.1.1-r0
Aomedia1 product
- aomedia< 2021-03-24
Debian1 product
- aom< 3.2.0-1
Fedoraproject1 product
- fedoraEOL34
Ubuntu1 product
- aom< 1.0.0.errata1-3+deb11u1build0.20.04.1
7 vendors · 10 products
References
16 links- lists.fedoraproject.org/archives/…Vendor Advisory
- www.debian.org/security/2023/dsa-5490Vendor Advisory
- security.gentoo.org/glsa/202401-32Vendor Advisory
Show all 16 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory