A logic issue was addressed with improved validation. This issue is fixed in Safari 17.4, iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and…

Description

A logic issue was addressed with improved validation. This issue is fixed in Safari 17.4, iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4, tvOS 17.4, visionOS 1.1, watchOS 10.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

Scores

EPSS (exploitation in 30 days)

1.5% · top 26% of all CVEs (7 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.

Weakness

• Processing maliciously crafted web content may prevent Content Security Policy from being enforced
• CWE-20 Improper Input Validation (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• Apple · Safari

  • affected < 17.4

• Apple · iOS and iPadOS

  • affected < 16.7.6
  • affected < 17.4

• Apple · macOS

  • affected < 14.4

• Apple · tvOS

  • affected < 17.4

• Apple · visionOS

  • affected < 1.1

• Apple · watchOS

  • affected < 10.4

References (29)

• https://support.apple.com/en-us/120880 (opens in a new tab)
• https://support.apple.com/en-us/120881 (opens in a new tab)
• https://support.apple.com/en-us/120882 (opens in a new tab)
• https://support.apple.com/en-us/120883 (opens in a new tab)
• https://support.apple.com/en-us/120893 (opens in a new tab)
• https://support.apple.com/en-us/120894 (opens in a new tab)
• https://support.apple.com/en-us/120895 (opens in a new tab)
• https://support.apple.com/en-us/HT214087 (opens in a new tab)x_transferred
• https://support.apple.com/en-us/HT214086 (opens in a new tab)x_transferred
• https://support.apple.com/en-us/HT214081 (opens in a new tab)x_transferred
• https://support.apple.com/en-us/HT214082 (opens in a new tab)x_transferred
• https://support.apple.com/en-us/HT214089 (opens in a new tab)x_transferred
• https://support.apple.com/en-us/HT214084 (opens in a new tab)x_transferred
• https://support.apple.com/en-us/HT214088 (opens in a new tab)x_transferred
• http://seclists.org/fulldisclosure/2024/Mar/20 (opens in a new tab)x_transferred
• http://seclists.org/fulldisclosure/2024/Mar/21 (opens in a new tab)x_transferred
• http://seclists.org/fulldisclosure/2024/Mar/25 (opens in a new tab)x_transferred
• http://seclists.org/fulldisclosure/2024/Mar/24 (opens in a new tab)x_transferred
• http://seclists.org/fulldisclosure/2024/Mar/26 (opens in a new tab)x_transferred
• https://lists.fedoraproject.org/archives/list/[email protected]/message/BAIPBVDQV3GHMSNSZNEJCRZEPM7BEYGF/ (opens in a new tab)x_transferred
• https://lists.fedoraproject.org/archives/list/[email protected]/message/AO4BNNL5X2LQBJ6WX7VT4SGMA6R7DUU5/ (opens in a new tab)x_transferred
• https://lists.fedoraproject.org/archives/list/[email protected]/message/PXORDRCSQAQU436W4S2Z3X5B5PDXL3LI/ (opens in a new tab)x_transferred
• http://www.openwall.com/lists/oss-security/2024/03/26/1 (opens in a new tab)x_transferred
• https://lists.fedoraproject.org/archives/list/[email protected]/message/IXLXIOAH5S7J22LJTCIAVFVVJ4TESAX4/ (opens in a new tab)x_transferred
• https://support.apple.com/kb/HT214089 (opens in a new tab)
• https://support.apple.com/kb/HT214087 (opens in a new tab)
• https://support.apple.com/kb/HT214084 (opens in a new tab)
• https://support.apple.com/kb/HT214082 (opens in a new tab)
• https://support.apple.com/kb/HT214081 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-23263](https://trackcve.app/badge/CVE-2024-23263.svg)](https://trackcve.app/cve/CVE-2024-23263)

Record last updated 2 Apr 2026, 18:26 UTC.