CVE-2024-27834
Apple Safari, Apple iOS and iPadOS, Apple macOS
Published 14 May 2024 · updated 5 Nov 2026 · Modified
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 4 Nov 2026, with a remediation deadline of 18 Nov 2026 for US federal agencies.
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Description
The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, watchOS 10.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.
References
- support.apple.com/en-us/120896
- support.apple.com/en-us/120898
- support.apple.com/en-us/120901
- support.apple.com/en-us/120902
- support.apple.com/en-us/120903
- support.apple.com/en-us/120905
- seclists.org/fulldisclosure/2024/May/10 · Mailing List
- seclists.org/fulldisclosure/2024/May/12 · Mailing List
- seclists.org/fulldisclosure/2024/May/16 · Mailing List
- seclists.org/fulldisclosure/2024/May/17 · Mailing List
- seclists.org/fulldisclosure/2024/May/9 · Mailing List
- www.openwall.com/lists/oss-security/2024/05/21/1 · Mailing List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ · Mailing List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ · Mailing List
- support.apple.com/en-us/HT214101 · Vendor Advisory
- support.apple.com/en-us/HT214102 · Vendor Advisory
- support.apple.com/en-us/HT214103 · Vendor Advisory
- support.apple.com/en-us/HT214104 · Vendor Advisory
- support.apple.com/en-us/HT214106 · Vendor Advisory
- support.apple.com/kb/HT214100
- support.apple.com/kb/HT214102
- support.apple.com/kb/HT214104
- support.apple.com/kb/HT214106
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27834
- www.sekoia.com/blog/poisoned-source-apt29-watering-holes-targets-mobile-devices-with-n-day-exploits