CVE-2026-43745

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-29. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.7%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
30
EG Risk 30/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation1% × 40%
Automatability0% × 15%
EPSS PROB
0.7%
EPSS %ILE
50th
KEV
Not listed

Published

June 29, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Jun 29, 2026
Patch available.
generic

About the security content of Safari 26.5.2 - Apple Support

https://support.apple.com/en-us/127685
generic

About the security content of macOS Tahoe 26.5.2 - Apple Support

https://support.apple.com/en-us/127595
generic

About the security content of iOS 26.5.2 and iPadOS 26.5.2 - Apple Support

https://support.apple.com/en-us/127594

Vendor Advisories for CVE-2026-43745(11)

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

Patch Availability(10)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuwebkit2gtk-driver (2.52.6-0ubuntu0.24.04.1) @ noble2026-09-23ubuntu
redhatwebkit2gtk3-0:2.52.5-1.el8_82026-08-25redhat
redhatwebkit2gtk3-0:2.52.5-1.el8_62026-08-25redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_22026-08-24redhat
redhatwebkitgtk4-0:2.52.5-1.el7_92026-08-24redhat
redhatwebkit2gtk3-0:2.52.5-1.el8_42026-08-20redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_62026-08-13redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_42026-08-13redhat
redhatwebkit2gtk3-0:2.52.5-1.el8_102026-07-20redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_82026-07-20redhat

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.

Affected Packages

(8 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.32.3-1 ... 2.53.4-1 (246 versions)
  • every version on: no fix on record
—
wpewebkit2.32.3-2 ... 2.52.5-1 (90 versions)
  • every version on: no fix on record
—
Debian:12(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.40.1-1 ... 2.54.0-1~exp1 (167 versions)
  • every version on: no fix on record
—
wpewebkit2.38.6-1 ... 2.54.0-2 (56 versions)
  • every version on: no fix on record
—
Debian:13(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.48.3-1 ... 2.52.4-1 (48 versions)
  • every version up to 2.52.5-1~deb13u1: fixed in 2.52.5-1~deb13u1
—
wpewebkit2.48.3-1 ... 2.54.0-2 (22 versions)
  • every version on: no fix on record
—
Debian:14(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.48.3-1 ... 2.52.5-1~deb13u1 (49 versions)
  • every version up to 2.52.5-1: fixed in 2.52.5-1
—
wpewebkit2.48.3-1 ... 2.52.4-1 (18 versions)
  • every version up to 2.52.5-1: fixed in 2.52.5-1
—

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 7× in last 7d / 33× 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 227 total refreshes for this CVE.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:12 UTCEPSS rescore
  3. 2026-10-07 23:48 UTCEPSS rescore
  4. 2026-10-06 15:17 UTCEPSS rescore
  5. 2026-10-05 17:43 UTCEPSS rescore
  6. 2026-10-04 23:22 UTCEPSS rescore
  7. 2026-10-03 14:25 UTCEPSS rescore
  8. 2026-10-01 19:50 UTCEPSS rescore
  9. 2026-09-30 15:03 UTCEPSS rescore
  10. 2026-09-27 13:48 UTCEPSS rescore
  11. 2026-09-26 15:58 UTCEPSS rescore
  12. 2026-09-23 17:53 UTCEPSS rescore
  13. 2026-09-23 07:28 UTCEG score recompute
  14. 2026-09-23 07:28 UTCVendor advisory
  15. 2026-09-23 07:28 UTCGHSA enrichment
  16. 2026-09-20 20:15 UTCEPSS rescore
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 06:56 UTCEG score recompute
  19. 2026-09-18 06:56 UTCVendor advisory
  20. 2026-09-18 06:56 UTCGHSA enrichment
  21. 2026-09-17 19:31 UTCEPSS rescore
  22. 2026-09-16 14:08 UTCEPSS rescore
  23. 2026-09-16 05:15 UTCEPSS rescore
  24. 2026-09-13 16:47 UTCEPSS rescore
  25. 2026-09-13 13:07 UTCVendor advisory
Show 75 more
  1. 2026-09-13 13:07 UTCGHSA enrichment
  2. 2026-09-12 15:13 UTCEG score recompute
  3. 2026-09-12 15:13 UTCVendor advisory
  4. 2026-09-12 15:13 UTCGHSA enrichment
  5. 2026-09-12 15:01 UTCEPSS rescore
  6. 2026-09-11 14:53 UTCEPSS rescore
  7. 2026-09-11 09:37 UTCEPSS rescore
  8. 2026-09-10 09:34 UTCEPSS rescore
  9. 2026-09-08 22:00 UTCEPSS rescore
  10. 2026-09-07 16:01 UTCEPSS rescore
  11. 2026-09-06 14:40 UTCEG score recompute
  12. 2026-09-06 14:40 UTCVendor advisory
  13. 2026-09-06 14:40 UTCGHSA enrichment
  14. 2026-09-06 13:47 UTCEPSS rescore
  15. 2026-09-04 05:06 UTCEPSS rescore
  16. 2026-09-02 14:12 UTCEPSS rescore
  17. 2026-09-01 13:54 UTCEPSS rescore
  18. 2026-08-30 19:17 UTCEPSS rescore
  19. 2026-08-30 18:27 UTCEG score recompute
  20. 2026-08-30 18:27 UTCVendor advisory
  21. 2026-08-30 18:27 UTCGHSA enrichment
  22. 2026-08-30 01:22 UTCEPSS rescore
  23. 2026-08-28 21:41 UTCEPSS rescore
  24. 2026-08-27 22:46 UTCEG score recompute
  25. 2026-08-27 22:46 UTCVendor advisory
  26. 2026-08-27 22:46 UTCGHSA enrichment
  27. 2026-08-27 14:25 UTCEPSS rescore
  28. 2026-08-26 14:46 UTCEPSS rescore
  29. 2026-08-25 13:49 UTCEPSS rescore
  30. 2026-08-25 02:39 UTCEG score recompute
  31. 2026-08-25 02:39 UTCVendor advisory
  32. 2026-08-25 02:39 UTCGHSA enrichment
  33. 2026-08-24 04:46 UTCVendor advisory
  34. 2026-08-24 04:46 UTCGHSA enrichment
  35. 2026-08-23 06:53 UTCEG score recompute
  36. 2026-08-23 06:53 UTCVendor advisory
  37. 2026-08-23 06:52 UTCGHSA enrichment
  38. 2026-08-23 00:19 UTCEPSS rescore
  39. 2026-08-22 08:48 UTCEG score recompute
  40. 2026-08-22 08:48 UTCVendor advisory
  41. 2026-08-22 08:48 UTCGHSA enrichment
  42. 2026-08-21 23:49 UTCEPSS rescore
  43. 2026-08-21 04:52 UTCEG score recompute
  44. 2026-08-21 04:52 UTCVendor advisory
  45. 2026-08-21 04:52 UTCGHSA enrichment
  46. 2026-08-20 22:55 UTCEPSS rescore
  47. 2026-08-20 05:42 UTCEG score recompute
  48. 2026-08-20 05:42 UTCVendor advisory
  49. 2026-08-20 05:42 UTCGHSA enrichment
  50. 2026-08-19 17:04 UTCEPSS rescore
  51. 2026-08-18 23:09 UTCEG score recompute
  52. 2026-08-18 23:09 UTCVendor advisory
  53. 2026-08-18 23:09 UTCGHSA enrichment
  54. 2026-08-18 13:48 UTCEPSS rescore
  55. 2026-08-17 22:25 UTCVendor advisory
  56. 2026-08-17 22:25 UTCGHSA enrichment
  57. 2026-08-17 21:43 UTCEG score recompute
  58. 2026-08-17 21:43 UTCVendor advisory
  59. 2026-08-17 21:43 UTCGHSA enrichment
  60. 2026-08-17 13:47 UTCEPSS rescore
  61. 2026-08-17 00:01 UTCEG score recompute
  62. 2026-08-17 00:01 UTCVendor advisory
  63. 2026-08-17 00:01 UTCGHSA enrichment
  64. 2026-08-16 14:56 UTCEPSS rescore
  65. 2026-08-16 02:14 UTCEPSS rescore
  66. 2026-08-16 02:07 UTCVendor advisory
  67. 2026-08-16 02:07 UTCGHSA enrichment
  68. 2026-08-15 04:15 UTCEG score recompute
  69. 2026-08-15 04:15 UTCVendor advisory
  70. 2026-08-15 04:15 UTCGHSA enrichment
  71. 2026-08-15 01:30 UTCEPSS rescore
  72. 2026-08-14 06:22 UTCEG score recompute
  73. 2026-08-14 06:22 UTCVendor advisory
  74. 2026-08-14 06:22 UTCGHSA enrichment
  75. 2026-08-13 22:00 UTCEPSS rescore

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-43745?
CVE-2026-43745 is a medium vulnerability published on June 29, 2026. An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an…
When was CVE-2026-43745 disclosed?
CVE-2026-43745 was first published on June 29, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43745 actively exploited?
CVE-2026-43745 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.7% probability of exploitation in the next 30 days (50th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-43745?
CVE-2026-43745 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-43745?
A fix for CVE-2026-43745 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-43745 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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