Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-30473

Release of Invalid Pointer or Reference

Published: May 06, 2021 | Modified: Jan 31, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-30473
CWEhttps://cwe.mitre.org/data/definitions/763.html

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

Weakness

The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.

Affected Software

Name Vendor Start Version End Version
Aomedia Aomedia * 2021-04-07 (excluding)
Aom Ubuntu focal *
Aom Ubuntu groovy *
Aom Ubuntu hirsute *
Aom Ubuntu impish *
Aom Ubuntu kinetic *
Aom Ubuntu trusty *
Aom Ubuntu upstream *
Aom Ubuntu xenial *

Extended Description

This weakness can take several forms, such as:

Potential Mitigations

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, glibc in Linux provides protection against free of invalid pointers.

References

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