CVE-2021-30474: aomedia Use After Free
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2021-30474MGASA-2021-0482SUSE-SU-2021:3350-1UBUNTU-CVE-2021-30474DEBIAN-CVE-2021-30474openSUSE-SU-2021:1359-1openSUSE-SU-2021:3350-1openSUSE-SU-2024:11642-1
Published 02-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-30474 is a critical (CVSS 9.8) Use After Free vulnerability in aomedia. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.88%
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
- 02-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
aom_dsp/grain_table.c in libaom in AOMedia before 2021-03-30 has a use-after-free.
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
1.88%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.88% on 20-09-2026
20-09-202620-10-2026
EPSS score1.88%
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-lp152.3.6.1
- libaom&distro=openSUSE Leap 15.3< 1.0.0-3.6.1
- libaom&distro=openSUSE Tumbleweed< 3.2.0-2.1
Suse2 products
- libaom&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP2< 1.0.0-3.6.1
- libaom&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP3< 1.0.0-3.6.1
Alpine1 product
- aom< 3.1.1-r0
Aomedia1 product
- aomedia< 2021-03-30
Debian1 product
- aom< 3.2.0-1
Mageia1 product
- aom< 2.0.1-3.2.mga8
Ubuntu1 product
- aom< 1.0.0.errata1-3+deb11u1build0.20.04.1
7 vendors · 10 products
References
18 links
- www.debian.org/security/2023/dsa-5490Vendor Advisory
- security.gentoo.org/glsa/202401-32Vendor Advisory
Show all 18 references
- lists.opensuse.org/archives/…Advisory