CVE-2023-28205

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 2023-04-10), 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: 27%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

A fix is available — apply it.

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.4.1, iOS 15.7.5 and iPadOS 15.7.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

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
27%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

April 10, 2023

Last Modified

October 23, 2025

Advisory Details (5)

Auto-updated Jun 2, 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-2023-28205
generic🔴 Active Exploitation

About the security content of iOS 15.7.5 and iPadOS 15.7.5 - Apple Support

https://support.apple.com/en-us/HT213723
generic🔴 Active Exploitation

About the security content of Safari 16.4.1 - Apple Support

https://support.apple.com/en-us/HT213722
generic🔴 Active Exploitation

About the security content of macOS Ventura 13.3.1 - Apple Support

https://support.apple.com/en-us/HT213721
generic🔴 Active Exploitation

About the security content of iOS 16.4.1 and iPadOS 16.4.1 - Apple Support

https://support.apple.com/en-us/HT213720

Vendor Advisories for CVE-2023-28205(1)

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
ubuntulibwebkit2gtk-4.0-dev (2.38.6-0ubuntu0.22.04.1) @ jammy2026-07-27ubuntu
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.36.7-1.el8_7.32023-04-20redhat
redhatwebkit2gtk3-0:2.36.7-1.el9_1.32023-04-20redhat

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.

Weakness Classification(1)

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

Additional Vendor Advisories

(3)

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 71× in last 7d / 384× 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 782 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCseregonwar/uaf-2023-28205
    First seen Jan 4, 2026

    PoC CVE-2023-28205: Apple WebKit Use-After-Free Vulnerability

    Open source ↗
  • GitHub PoCntfargo/uaf-2023-28205
    First seen Nov 30, 2024

    PoC CVE-2023-28205: Apple WebKit Use-After-Free Vulnerability

    Open source ↗

Frequently asked(6)

What is CVE-2023-28205?
CVE-2023-28205 is a critical vulnerability published on April 10, 2023. A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.4.1, iOS 15.7.5 and iPadOS 15.7.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report…
When was CVE-2023-28205 disclosed?
CVE-2023-28205 was first published in the National Vulnerability Database on April 10, 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-2023-28205 actively exploited?
Yes. CISA added CVE-2023-28205 to the Known Exploited Vulnerabilities catalog on April 10, 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-2023-28205?
CVE-2023-28205 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-2023-28205?
CVE-2023-28205 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-2023-28205?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28205, 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-2023-28205

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