high 7.5

CVE-2024-54551 json

The issue was addressed with improved memory handling.

published 2025-03-20 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-7140

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

The issue was addressed with improved memory handling. This issue is fixed in Safari 17.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. Processing web content may lead to a denial-of-service.

Patch / fix

fixed in 6 distros 6

Apple Safari 17.6
Apple iOS and iPadOS 17.6
Apple macOS 14.6
Apple tvOS 17.6
Apple visionOS 1.3
Apple watchOS 10.6

debian ubuntu red hat suse almalinux rocky linux

wpewebkit Debian 14, Debian 13 2.48.1-1
webkit2gtk Debian 12 2.48.1-2~deb12u1
webkit2gtk Debian 14, Debian 13 2.48.1-1

debian advisories DEBIAN-CVE-2024-54551

webkit2gtk Ubuntu 22.04 LTS 2.48.1-0ubuntu0.22.04.1
webkit2gtk Ubuntu 24.04 LTS 2.48.1-0ubuntu0.24.04.1

ubuntu advisories UBUNTU-CVE-2024-54551

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

webkit2gtk3 RHEL 9 2.48.1-1.el9_6
webkit2gtk3-jsc RHEL 9 2.48.1-1.el9_6
webkit2gtk3 RHEL 8 2.48.1-1.el8_10
webkit2gtk3-jsc RHEL 8 2.48.1-1.el8_10
webkit2gtk3 RHEL 9 2.48.1-1.el9_5
webkit2gtk3-jsc RHEL 9 2.48.1-1.el9_5
webkitgtk4 RHEL 7 ELS 2.48.3-2.el7_9
webkitgtk4-jsc RHEL 7 ELS 2.48.3-2.el7_9

red hat advisories RHSA-2025:10364 RHSA-2025:8194 RHSA-2025:8065 RHSA-2025:8066 RHSA-2025:8064 RHSA-2025:7387

webkit2gtk3 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 2.48.1-150400.4.115.2
webkit2gtk4 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 2.48.1-150400.4.115.2
webkit2gtk3-soup2 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +7 more 2.48.1-150400.4.115.2
webkit2gtk3 SLE Module for Desktop Applications 15 SP6, openSUSE Leap 15.6 2.48.1-150600.12.36.5
webkit2gtk4 SLE Module for Development Tools 15 SP6, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 2.48.1-150600.12.36.5
webkit2gtk3-soup2 SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 2.48.1-150600.12.36.5
webkit2gtk3 SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS +1 more 2.48.1-150200.142.1
webkit2gtk3 SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 2.48.1-4.34.1

suse advisories SUSE-SU-2025:1336-1 SUSE-SU-2025:1331-1 SUSE-SU-2025:1325-1 SUSE-SU-2025:1265-1

webkit2gtk3 AlmaLinux 9 2.48.1-1.el9_6
webkit2gtk3-jsc AlmaLinux 9 2.48.1-1.el9_6
webkit2gtk3 AlmaLinux 8 2.48.1-1.el8_10
webkit2gtk3-jsc AlmaLinux 8 2.48.1-1.el8_10
webkit2gtk3 AlmaLinux 9 2.48.1-1.el9_5
webkit2gtk3-jsc AlmaLinux 9 2.48.1-1.el9_5

almalinux advisories ALSA-2025:7387 ALSA-2025:3974 ALSA-2025:3713

webkit2gtk3 Rocky Linux 9 2.48.1-1.el9_5
webkit2gtk3 Rocky Linux 8 2.48.1-1.el8_10

rocky linux advisories RLSA-2025:3713 RLSA-2025:7387 RLSA-2025:3974

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-54551 updated 2026-11-07 cvss 6.5

webkitgtk: Processing web content may lead to a denial-of-service

Red Hat Enterprise Linux 6 webkitgtk
affected: workaround, no fix planned “Out of support scope”
Red Hat Enterprise Linux 7 webkitgtk3, libwebkit2gtk
affected: workaround, no fix planned “Will not fix”
Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3 2.48.1-1.el8_10, webkit2gtk3-jsc 2.48.1-1.el8_10
fixed: vendor fix RHSA-2025:3974
Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.48.1-1.el9_5, webkit2gtk3 2.48.1-1.el9_6, webkit2gtk3-jsc 2.48.1-1.el9_5, webkit2gtk3-jsc 2.48.1-1.el9_6
fixed: vendor fix RHSA-2025:3713
Red Hat Enterprise Linux AppStream AUS (v. 8.2) webkit2gtk3 2.48.1-2.el8_2, webkit2gtk3-jsc 2.48.1-2.el8_2
fixed: vendor fix RHSA-2025:8194
Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3 2.48.1-2.el8_4, webkit2gtk3-jsc 2.48.1-2.el8_4
fixed: vendor fix RHSA-2025:8064
Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3 2.48.1-2.el8_6, webkit2gtk3-jsc 2.48.1-2.el8_6
fixed: vendor fix RHSA-2025:8066
Red Hat Enterprise Linux AppStream E4S (v.8.4) webkit2gtk3 2.48.1-2.el8_4, webkit2gtk3-jsc 2.48.1-2.el8_4
fixed: vendor fix RHSA-2025:8064

show 8 more

Red Hat Enterprise Linux AppStream E4S (v.8.6) webkit2gtk3 2.48.1-2.el8_6, webkit2gtk3-jsc 2.48.1-2.el8_6
fixed: vendor fix RHSA-2025:8066
Red Hat Enterprise Linux AppStream E4S (v.9.0) webkit2gtk3 2.48.1-1.el9_0, webkit2gtk3-jsc 2.48.1-1.el9_0
fixed: vendor fix RHSA-2025:8065
Red Hat Enterprise Linux AppStream EUS (v.8.8) webkit2gtk3 2.48.1-1.el8_8, webkit2gtk3-jsc 2.48.1-1.el8_8
fixed: vendor fix RHSA-2025:4445
Red Hat Enterprise Linux AppStream EUS (v.9.2) webkit2gtk3 2.48.1-3.el9_2, webkit2gtk3-jsc 2.48.1-3.el9_2
fixed: vendor fix RHSA-2025:3756
Red Hat Enterprise Linux AppStream EUS (v.9.4) webkit2gtk3 2.48.1-2.el9_4, webkit2gtk3-jsc 2.48.1-2.el9_4
fixed: vendor fix RHSA-2025:3755
Red Hat Enterprise Linux AppStream TUS (v.8.4) webkit2gtk3 2.48.1-2.el8_4, webkit2gtk3-jsc 2.48.1-2.el8_4
fixed: vendor fix RHSA-2025:8064
Red Hat Enterprise Linux AppStream TUS (v.8.6) webkit2gtk3 2.48.1-2.el8_6, webkit2gtk3-jsc 2.48.1-2.el8_6
fixed: vendor fix RHSA-2025:8066
Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4 2.48.3-2.el7_9, webkitgtk4-jsc 2.48.3-2.el7_9 Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-doc 2.48.3-2.el7_9, webkitgtk4-devel 2.48.3-2.el7_9, webkitgtk4-debuginfo 2.48.3-2.el7_9, webkitgtk4-jsc-devel 2.48.3-2.el7_9
fixed: vendor fix RHSA-2025:10364

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 19 mo ago (2025-03-21)

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Apple Safari
Apple iOS and iPadOS
Apple macOS
Apple tvOS
Apple visionOS
Apple watchOS

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

support.apple.com /en-us/120909
release-notes, vendor-advisory
support.apple.com /en-us/120911
release-notes, vendor-advisory
support.apple.com /en-us/120913
release-notes, vendor-advisory
support.apple.com /en-us/120914
release-notes, vendor-advisory
support.apple.com /en-us/120915
release-notes, vendor-advisory
support.apple.com /en-us/120916
release-notes, vendor-advisory
lists.debian.org /debian-lts-announce/2025/06/msg00016.html

Sources

CVE List CVE-2024-54551
NVD CVE-2024-54551

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary