Use After Free Affecting webkit2gtk3-devel package, versions <0:2.30.4-3.el8_4


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.54% (78th percentile)

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  • Snyk IDSNYK-ORACLE8-WEBKIT2GTK3DEVEL-2589553
  • published10 Apr 2022
  • disclosed24 Aug 2021

Introduced: 24 Aug 2021

CVE-2021-30858  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 webkit2gtk3-devel to version 0:2.30.4-3.el8_4 or higher.
This issue was patched in ELSA-2021-4097.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-devel package and not the webkit2gtk3-devel package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

References

CVSS Scores

version 3.1