Use After Free Affecting firefox package, versions <0:102.5.0-1.el8_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.06% (85th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-6096558
  • published1 Dec 2023
  • disclosed24 Oct 2022

Introduced: 24 Oct 2022

CVE-2022-43680  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:102.5.0-1.el8_2 or higher.
This issue was patched in RHSA-2022:8550.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

References

CVSS Scores

version 3.1