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.
Conclusion & alert: CVE-2024-54551 is rated Moderate Risk (44.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.55%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.16% | 0.55% | +0.39% |
| 2 | 2026-05-01 | 0.14% | 0.16% | +0.02% |
| 3 | 2026-04-29 | — | 0.14% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2024-54551 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 8, open 2. | https://security-tracker.debian.org/tracker/CVE-2024-54551 |
gentoo
|
high | CVE-2024-54551: 1 GLSA(s) (202511-02), 1 atom(s) (net-libs/webkit-gtk); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2024-54551 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2024-54551 |
suse
|
medium | CVE-2024-54551 severity moderate: SUSE including 96 source package names (WebKitGTK-4.0-lang-2.48.1-150400.4.115.2, WebKitGTK-4.0-lang-2.48.1-150600.12.36.5, …), 375 product×package rows across 30 product lines (SUSE Enterprise Storage 7.1, SUSE Liberty Linux 8, … (30 product lines)): Fixed 375. | https://www.suse.com/security/cve/CVE-2024-54551/ |
ubuntu
|
medium | CVE-2024-54551 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 38 status rows across 8 suites (bionic, focal, jammy, noble, oracular, plucky, upstream, xenial): ignored 15, DNE 14, released 5, needs-triage 4. | https://ubuntu.com/security/CVE-2024-54551 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | safari | < 17.6 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | ipados | < 17.6 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 17.6 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | < 14.6 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | tvos | < 17.6 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | visionos | < 1.3 | cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* |
| apple | watchos | < 10.6 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/120909 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/120911 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/120913 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/120914 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/120915 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/120916 | Release Notes Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html |