CVE-2023-42916

CRITICALNVD 6.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-12-04), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.5 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: 18%CVSS: 6.5Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

A fix is available — apply it.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

CVSS v3
6.5
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
18%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

November 30, 2023

Last Modified

June 17, 2026

Advisory Details (10)

Auto-updated Jun 12, 2026
No patch confirmed yet.
generic

[SECURITY] Fedora 39 Update: webkitgtk-2.42.3-1.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/
generic

[SECURITY] Fedora 38 Update: webkitgtk-2.42.3-1.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/AD2KIHHCUBQC2YYH3FJWAHI5BG3QETOH/
generic

oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2023-0011

http://www.openwall.com/lists/oss-security/2023/12/05/1
generic

Full Disclosure: APPLE-SA-01-22-2024-4 iOS 15.8.1 and iPadOS 15.8.1

http://seclists.org/fulldisclosure/2024/Jan/35
generic

Full Disclosure: APPLE-SA-12-11-2023-3 iOS 16.7.3 and iPadOS 16.7.3

http://seclists.org/fulldisclosure/2023/Dec/8
generic

Full Disclosure: APPLE-SA-11-30-2023-3 macOS Sonoma 14.1.2

http://seclists.org/fulldisclosure/2023/Dec/5
generic

Full Disclosure: APPLE-SA-11-30-2023-2 iOS 17.1.2 and iPadOS 17.1.2

http://seclists.org/fulldisclosure/2023/Dec/4
generic

Full Disclosure: APPLE-SA-11-30-2023-1 Safari 17.1.2

http://seclists.org/fulldisclosure/2023/Dec/3
generic

Full Disclosure: APPLE-SA-12-11-2023-8 watchOS 10.2

http://seclists.org/fulldisclosure/2023/Dec/13
generic

Full Disclosure: APPLE-SA-12-11-2023-7 tvOS 17.2

http://seclists.org/fulldisclosure/2023/Dec/12

Vendor Advisories for CVE-2023-42916(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
ubuntuwebkit2gtk-driver (2.42.3-0ubuntu0.23.10.1) @ mantic2026-08-05ubuntu
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.38.5-1.el8_8.52023-07-18redhat
redhatwebkit2gtk3-0:2.38.5-1.el9_2.32023-07-18redhat

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.

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 94× in last 7d / 390× 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 945 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2023-42916?
CVE-2023-42916 is a critical vulnerability published on November 30, 2023. An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been exploited against versions…
When was CVE-2023-42916 disclosed?
CVE-2023-42916 was first published in the National Vulnerability Database on November 30, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-42916 actively exploited?
Yes. CISA added CVE-2023-42916 to the Known Exploited Vulnerabilities catalog on December 4, 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-2023-42916?
CVE-2023-42916 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-42916?
CVE-2023-42916 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-2023-42916?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-42916, 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-2023-42916

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