The issue was addressed with improved memory handling. This issue is fixed in iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, iOS 16.7.15 and iPadOS 16.7.15, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
Conclusion & alert: CVE-2023-43010 is rated Moderate Risk (40.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). 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 | 2026-04-13 | 0.05% | 0.05% | +0.00% |
| 2 | 2026-03-26 | 0.06% | 0.05% | -0.02% |
| 3 | 2026-03-13 | — | 0.06% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
end-of-life | CVE-2023-43010 end-of-life 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-2023-43010 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2023-43010 |
suse
|
high | CVE-2023-43010 severity important: SUSE including 84 source package names (WebKitGTK-4.0-lang-2.52.0-150400.4.137.3, WebKitGTK-4.0-lang-2.52.1-150600.12.63.1, …), 355 product×package rows across 23 product lines (SUSE Liberty Linux 9, SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS, … (23 product lines)): Fixed 337, First Fixed 18. | https://www.suse.com/security/cve/CVE-2023-43010/ |
ubuntu
|
medium | CVE-2023-43010 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 31 status rows across 7 suites (bionic, focal, jammy, noble, questing, upstream, xenial): ignored 14, DNE 9, needs-triage 4, released 3, not-affected 1. | https://ubuntu.com/security/CVE-2023-43010 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | safari | < 17.2 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | ipados | < 15.8.7 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | ipados | >= 16.0, < 16.7.15 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | ipados | >= 17.0, < 17.2 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 15.8.7 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | iphone_os | >= 16.0, < 16.7.15 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | iphone_os | >= 17.0, < 17.2 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | < 14.2 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/120300 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/120877 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/120879 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126632 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126646 | Release Notes Vendor Advisory |
| http://seclists.org/fulldisclosure/2026/Mar/1 | Release Notes Vendor Advisory |