CVE-2025-43511

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2025-12-12. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

A fix is available — apply it.

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
34.3%
KEV
Not listed

Published

December 12, 2025

Last Modified

July 15, 2026

Advisory Details (10)

Auto-updated Jul 16, 2026
Patch available. Sources: redhat.
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP So

https://access.redhat.com/errata/RHSA-2026:13845
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Serv

https://access.redhat.com/errata/RHSA-2026:11814
redhat Patch Available

Affected: Red Hat Enterprise Linux 9.6 Extended Update Support.

https://access.redhat.com/errata/RHSA-2026:11329
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2026:10702
generic

About the security content of Safari 26.2 - Apple Support

https://support.apple.com/en-us/125892
generic

About the security content of visionOS 26.2 - Apple Support

https://support.apple.com/en-us/125891
generic

About the security content of watchOS 26.2 - Apple Support

https://support.apple.com/en-us/125890
generic

About the security content of macOS Tahoe 26.2 - Apple Support

https://support.apple.com/en-us/125886
generic

About the security content of iOS 26.2 and iPadOS 26.2 - Apple Support

https://support.apple.com/en-us/125884
generic

About the security content of iOS 18.7.2 and iPadOS 18.7.2 - Apple Support

https://support.apple.com/en-us/125633

Vendor Advisories for CVE-2025-43511(12)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuwebkit2gtk-driver (2.52.3-0ubuntu0.24.04.1) @ noble2026-05-21ubuntu
redhatwebkit2gtk3-0:2.52.3-1.el9_02026-05-20redhat
redhatwebkit2gtk3-0:2.52.3-1.el9_82026-05-19redhat
redhatwebkit2gtk3-0:2.52.3-1.el9_22026-05-13redhat
redhatwebkit2gtk3-0:2.52.3-1.el8_42026-05-11redhat
redhatwebkit2gtk3-0:2.52.3-1.el9_42026-05-07redhat
redhatwebkit2gtk3-0:2.52.3-1.el8_62026-05-05redhat
redhatwebkit2gtk3-0:2.52.3-1.el8_82026-04-29redhat
redhatwebkit2gtk3-0:2.52.3-1.el9_62026-04-28redhat
redhatwebkit2gtk3-0:2.52.3-1.el8_102026-04-27redhat
redhatwebkit2gtk3-0:2.52.3-0.el9_7.12026-04-22redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 113 total refreshes for this CVE.

  1. 2026-07-18 10:04 UTCEPSS rescore
  2. 2026-07-16 17:02 UTCEPSS rescore
  3. 2026-07-16 17:02 UTCEPSS rescore
  4. 2026-07-15 16:57 UTCEPSS rescore
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  11. 2026-07-12 05:46 UTCEPSS rescore
  12. 2026-07-11 08:27 UTCEPSS rescore
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  14. 2026-07-09 23:47 UTCOSV refresh
  15. 2026-07-09 19:09 UTCEPSS rescore
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  1. 2026-06-30 23:22 UTCEPSS rescore
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  18. 2026-06-21 14:56 UTCEPSS rescore
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  20. 2026-06-21 10:31 UTCOSV refresh
  21. 2026-06-21 01:59 UTCEPSS rescore
  22. 2026-06-21 01:59 UTCEPSS rescore
  23. 2026-06-19 19:25 UTCEPSS rescore
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  25. 2026-06-18 17:52 UTCEPSS rescore
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  30. 2026-06-14 23:17 UTCEPSS rescore
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  43. 2026-06-05 06:10 UTCEPSS rescore
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  45. 2026-06-04 13:12 UTCEPSS rescore
  46. 2026-06-04 13:12 UTCEPSS rescore
  47. 2026-06-02 20:12 UTCEPSS rescore
  48. 2026-06-02 01:09 UTCOSV refresh
  49. 2026-06-01 13:51 UTCEPSS rescore
  50. 2026-06-01 13:51 UTCEPSS rescore
  51. 2026-05-31 22:30 UTCEPSS rescore
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  54. 2026-05-29 13:44 UTCEPSS rescore
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  72. 2026-05-22 21:16 UTCEPSS rescore
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  74. 2026-05-22 21:16 UTCEPSS rescore
  75. 2026-05-22 21:16 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-43511?
CVE-2025-43511 is a medium vulnerability published on December 12, 2025. A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.
When was CVE-2025-43511 disclosed?
CVE-2025-43511 was first published in the National Vulnerability Database on December 12, 2025, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-43511 actively exploited?
CVE-2025-43511 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 34.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-43511?
CVE-2025-43511 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-43511?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-43511, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-43511

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