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Vulnerability · Published Dec 25, 2021 · Assigned by mitre

CVE-2021-45483

Medium 6.5

In plain English

A medium-severity security flaw in the webkit2gtk3 package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.5%top 25.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::Frame::page, a different vulnerability than CVE-2021-30889.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.34.6-1.el8ALSA-2022:1777
AlmaLinux:8webkit2gtk3-devel2.34.6-1.el8ALSA-2022:1777
AlmaLinux:8webkit2gtk3-jsc2.34.6-1.el8ALSA-2022:1777
AlmaLinux:8webkit2gtk3-jsc-devel2.34.6-1.el8ALSA-2022:1777
Alpine:v3.20webkit2gtk2.34.0-r0ALPINE-CVE-2021-45483
Debian:12webkit2gtk2.34.0-1DEBIAN-CVE-2021-45483
Debian:13webkit2gtk2.34.0-1DEBIAN-CVE-2021-45483
Debian:14webkit2gtk2.34.0-1DEBIAN-CVE-2021-45483
Debian:12wpewebkit2.34.1-1DEBIAN-CVE-2021-45483
Debian:13wpewebkit2.34.1-1DEBIAN-CVE-2021-45483
Debian:14wpewebkit2.34.1-1DEBIAN-CVE-2021-45483
Rocky Linux:8webkit2gtk30:2.34.6-1.el8RLSA-2022:1777
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2021-45483
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2021-45483
Ubuntu:22.04:LTSwebkit2gtk2.34.0-1ubuntu1UBUNTU-CVE-2021-45483
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2021-45483

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References