CVE-2021-30473
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
CVE-2021-30473- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-763
- Updated
- 2026-11-02
CVE List No score
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
CVE-2021-30473- Updated
- 2026-11-02
EUVDEUVD-2021-17396 No score
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
EUVD-2021-17396- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jr38-ch73-ccgx
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
GHSA-jr38-ch73-ccgx- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-763
- Updated
- 2026-11-02
OSVALPINE-CVE-2021-30473
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
ALPINE-CVE-2021-30473- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSVBELL-CVE-2021-30473
CVE-2021-30473 does not affect BellSoft software
- Record
BELL-CVE-2021-30473- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSV
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
CVE-2021-30473- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-30473
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
DEBIAN-CVE-2021-30473- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-30473
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
- Record
UBUNTU-CVE-2021-30473- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2021-0352 No score
Updated aom packages fix security vulnerabilities
aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap (CVE-2021-30473).
aom_dsp/grain_table.c in libaom in AOMedia before 2021-03-30 has a use-after-free (CVE-2021-30474).
aom_dsp/noise_model.c in libaom in AOMedia before 2021-03-24 has a buffer overflow (CVE-2021-30475).
- Record
MGASA-2021-0352- Updated
- 2026-11-02
OSVSUSE-SU-2022:1436-1 No score
Security update for libaom
This update for libaom fixes the following issues:
- CVE-2021-30473: AOMedia in aom_image.c frees memory that is not located on the heap (bsc#1185778).
- Record
SUSE-SU-2022:1436-1- Updated
- 2026-11-02
OSVUSN-6447-1 No score
aom vulnerabilities
It was discovered that AOM incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2020-36130, CVE-2020-36131, CVE-2020-36133, CVE-2020-36135, CVE-2021-30473, CVE-2021-30474, CVE-2021-30475)
- Record
USN-6447-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
aomAlpine:v3.15 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.16 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.17 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.18 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.19 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.20 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.21 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.22 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.23 |
before 3.1.1-r0 | 3.1.1-r0 |
aomAlpine:v3.24 |
before 3.1.1-r0 | 3.1.1-r0 |
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| Package | Affected | Fixed |
|---|---|---|
aomDebian:12 |
before 3.2.0-1 | 3.2.0-1 |
aomDebian:13 |
before 3.2.0-1 | 3.2.0-1 |
aomDebian:14 |
before 3.2.0-1 | 3.2.0-1 |
aomDebian:10 From an advisory covering 7 CVEs |
before 1.0.0-3+deb10u1, plus listed versions 1.0.0-3 |
1.0.0-3+deb10u1 |
aomDebian:11 From an advisory covering 7 CVEs |
before 1.0.0.errata1-3+deb11u1, plus listed versions 1.0.0.errata1-3 |
1.0.0.errata1-3+deb11u1 |
aomMageia:8 From an advisory covering 3 CVEs |
before 2.0.1-3.1.mga8 | 2.0.1-3.1.mga8 |
libaomSUSE:Linux Enterprise Module for Desktop Applications 15 SP3 |
before 1.0.0-150200.3.12.1 | 1.0.0-150200.3.12.1 |
libaomSUSE:Linux Enterprise Real Time 15 SP2 |
before 1.0.0-150200.3.12.1 | 1.0.0-150200.3.12.1 |
libaomopenSUSE:Leap 15.3 |
before 1.0.0-150200.3.12.1 | 1.0.0-150200.3.12.1 |
libaomopenSUSE:Leap 15.4 |
before 1.0.0-150200.3.12.1 | 1.0.0-150200.3.12.1 |
aomUbuntu:20.04:LTS |
before 1.0.0.errata1-3+deb11u1build0.20.04.1, plus listed versions 1.0.0-31.0.0.errata1-21.0.0.errata1-2ubuntu31.0.0.errata1-31.0.0.errata1-3build1 |
1.0.0.errata1-3+deb11u1build0.20.04.1 |
aomUbuntu:20.04:LTS From an advisory covering 7 CVEs |
before 1.0.0.errata1-3+deb11u1build0.20.04.1, plus listed versions 1.0.0-31.0.0.errata1-21.0.0.errata1-2ubuntu31.0.0.errata1-31.0.0.errata1-3build1 |
1.0.0.errata1-3+deb11u1build0.20.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30473 is a critical vulnerability (CVSS 9.8) in Aomedia, published May 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. Fixed in aom 3.1.1-r0.
References
bugs.chromium.org/p/aomedia/issues/detail?id=2998
aomedia.googlesource.com/aom/+/4efe20e99dcd9b6f8eadc8de8acc825be7416578
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCI33HXH6YSOGC2LPE2REQLMIDH6US4
lists.debian.org/debian-lts-announce/2023/09/msg00003.html
debian.org/security/2023/dsa-5490
security.gentoo.org/glsa/202401-32
Show 21 moreShow less
nvd.nist.gov/vuln/detail/CVE-2021-30473
github.com/advisories/GHSA-jr38-ch73-ccgx
security.alpinelinux.org/vuln/CVE-2021-30473
docs.bell-sw.com/security/cves/CVE-2021-30473
security-tracker.debian.org/tracker/CVE-2021-30473
advisories.mageia.org/MGASA-2021-0352.html
bugs.mageia.org/show_bug.cgi?id=29144
suse.com/support/update/announcement/2022/suse-su-20221436-1
bugzilla.suse.com/1185778
ubuntu.com/security/CVE-2021-30473
cve.org/CVERecord?id=CVE-2021-30473