vulnerability

Rocky Linux: CVE-2021-30858: webkit2gtk3 (RLSA-2021-4097)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 24, 2021
Added
May 5, 2022
Modified
Mar 31, 2026

Description

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.

Solutions

rocky-upgrade-webkit2gtk3rocky-upgrade-webkit2gtk3-debuginforocky-upgrade-webkit2gtk3-debugsourcerocky-upgrade-webkit2gtk3-develrocky-upgrade-webkit2gtk3-devel-debuginforocky-upgrade-webkit2gtk3-jscrocky-upgrade-webkit2gtk3-jsc-debuginforocky-upgrade-webkit2gtk3-jsc-develrocky-upgrade-webkit2gtk3-jsc-devel-debuginfo
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.