CVE-2021-30799

medium

Published 2021-11-09 · Modified 2021-11-09

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

5.5

Description

RHSA-2021:4381: GNOME security, bug fix, and enhancement update (Moderate)

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API

Description webkitgtk: Memory corruptions leading to arbitrary code execution CVSS v3: 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Enterprise Linux 7 Extended Lifecycle Supportwebkitgtk4-0:2.48.3-2.el7_9RHSA-2025:103642025-07-07T00:00:00Z Red Hat Enterprise Linux 8webkit2gtk3-0:2.32.3-2.el8RHSA-2021:43812021-11-09T00:00:00Z…

Description

webkitgtk: Memory corruptions leading to arbitrary code execution

CVSS v3: 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Errata / fixed releases

Product	Package	Advisory	Released
Red Hat Enterprise Linux 7 Extended Lifecycle Support	`webkitgtk4-0:2.48.3-2.el7_9`	RHSA-2025:10364	2025-07-07T00:00:00Z
Red Hat Enterprise Linux 8	`webkit2gtk3-0:2.32.3-2.el8`	RHSA-2021:4381	2021-11-09T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 6	`webkitgtk`	Out of support scope
Red Hat Enterprise Linux 7	`webkitgtk3`	Out of support scope
Red Hat Enterprise Linux 9	`webkit2gtk3`	Not affected

Apply commands

bash fix

Apply RHSA-2025:10364 for Red Hat Enterprise Linux 7 Extended Lifecycle Support

yum update -y webkitgtk4
# or:
dnf upgrade -y webkitgtk4

Affected

Vendor	Product	Version
redhat	Red Hat Enterprise Linux 9	`Not affected`

OS impact

OS	Version	Status	Fixed in
arch		fixed	`2.32.3-1`
rocky	8	fixed
debian	bookworm	fixed	`2.32.3-1`
debian	bullseye	fixed	`2.32.3-1`
debian	forky	fixed	`2.32.3-1`
debian	sid	fixed	`2.32.3-1`
debian	trixie	fixed	`2.32.3-1`
almalinux	8	fixed	`gnome-online-accounts-devel-3.28.2-3.el8.x86_64.rpm`
rhel	8	fixed

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.