CVE-2023-28205

HIGHNVD 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
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 27%CVSS: 8.8Exploit: 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 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
97.8%
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) @ jammy2026-07-22ubuntu
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 0× in last 7d / 0× 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.

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

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 high 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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