CVE-2023-32435

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-06-23), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 23%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

A fix is available — apply it.

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
23%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

June 23, 2023

Last Modified

October 23, 2025

Advisory Details (5)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32435
generic🔴 Active Exploitation

About the security content of iOS 15.7.7 and iPadOS 15.7.7 - Apple Support

https://support.apple.com/en-us/HT213811
generic🔴 Active Exploitation

About the security content of iOS 16.4 and iPadOS 16.4 - Apple Support

https://support.apple.com/en-us/HT213676
generic🔴 Active Exploitation

About the security content of Safari 16.4 - Apple Support

https://support.apple.com/en-us/HT213671
generic🔴 Active Exploitation

About the security content of macOS Ventura 13.3 - Apple Support

https://support.apple.com/en-us/HT213670

Vendor Advisories for CVE-2023-32435(3)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibwebkitgtk-6.0-dev (2.40.4-0ubuntu0.22.04.1) @ jammy2026-09-19ubuntu
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.38.5-1.el9_2.32023-07-18redhat
redhatwebkit2gtk3-0:2.38.5-1.el8_8.52023-07-18redhat

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 rangeFixed inDependents
webkit2gtk2.32.3-1 ... 2.40.0-3 (84 versions)2.40.1-1~deb11u1—
wpewebkit2.32.3-2 ... 2.52.5-1 (90 versions)——
Debian:12(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.40.0-1—
wpewebkit2.38.6-1 ... 2.52.6-1 (54 versions)——
Debian:13(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.40.0-1—
wpewebkit—2.40.2-2—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.40.0-1—
wpewebkit—2.40.2-2—

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 106× in last 7d / 456× 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 1,671 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2023-32435?
CVE-2023-32435 is a critical vulnerability published on June 23, 2023. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.3, Safari 16.4, iOS 16.4 and iPadOS 16.4, iOS 15.7.7 and iPadOS 15.7.7. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have…
When was CVE-2023-32435 disclosed?
CVE-2023-32435 was first published in the National Vulnerability Database on June 23, 2023, with the most recent update on October 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-32435 actively exploited?
Yes. CISA added CVE-2023-32435 to the Known Exploited Vulnerabilities catalog on June 23, 2023, affecting Apple Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-32435?
CVE-2023-32435 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-32435?
CVE-2023-32435 affects Apple Multiple Products. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-32435?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-32435, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-32435

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