CVE & CISA-KEV Catalog

CVE-2021-30473

CRITICALEPSS 79th pctl

9.8

CVSS v3

Description

aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.

How to fix

Remediation Available

aomDebian

Fixed in:1.0.0.errata1-3+deb11u1CVE-2021-30473

Fixed in:3.2.0-1CVE-2021-30473

Fixed in:3.2.0-1CVE-2021-30473

Fixed in:3.2.0-1CVE-2021-30473

aomUbuntu

Fixed in:1.0.0.errata1-3+deb11u1build0.20.04.1USN-6447-1

aom-toolsUbuntu

Fixed in:1.0.0.errata1-3+deb11u1build0.20.04.1USN-6447-1

libaom-devUbuntu

Fixed in:1.0.0.errata1-3+deb11u1build0.20.04.1USN-6447-1

libaom-docUbuntu

Fixed in:1.0.0.errata1-3+deb11u1build0.20.04.1USN-6447-1

libaom0Ubuntu

Fixed in:1.0.0.errata1-3+deb11u1build0.20.04.1USN-6447-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.05%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Patch1

aomedia.googlesource.com

Third-Party Advisory1

bugs.chromium.org

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.