CVEvulnerability
CVE-2023-42916
CISA Known Exploited Vulnerability
Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability — Apple Multiple Products
Apple iOS, iPadOS, macOS, and Safari WebKit contain an out-of-bounds read vulnerability that may disclose sensitive information when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
- Added to KEV
- 2023-12-04
- Remediation due
- 2023-12-25
- Ransomware use
- Unknown
- Required action
- Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
- Notes
- https://support.apple.com/en-us/HT214031, https://support.apple.com/en-us/HT214032, https://support.apple.com/en-us/HT214033 ; https://nvd.nist.gov/vuln/detail/CVE-2023-42916
- Status
- Analyzed
- Published
- 2023-11-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-125
Description
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.
Affected configurations
• apple safari (< 17.1.2)
• apple ipados (< 15.8.1)
• apple ipados (>= 16.0 < 16.7.3)
• apple ipados (>= 17.0 < 17.1.2)
• apple iphone os (< 15.8.1)
• apple iphone os (>= 16.0 < 16.7.3)
• apple iphone os (>= 17.0 < 17.1.2)
• apple macos (>= 14.0 < 14.1.2)
• fedoraproject fedora 38
• fedoraproject fedora 39
• debian debian linux 11.0
• debian debian linux 12.0
• webkitgtk webkitgtk\+ (< 2.42.3)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://seclists.org/fulldisclosure/2023/Dec/12 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/13 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/3 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/4 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/5 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/8 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2024/Jan/35 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/12/05/1 Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AD2KIHHCUBQC2YYH3FJWAHI5BG3QETOH/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/ Mailing List
- https://security.gentoo.org/glsa/202401-04 Third Party Advisory
- https://support.apple.com/en-us/HT214031 Vendor Advisory
- https://support.apple.com/en-us/HT214032 Vendor Advisory
- https://support.apple.com/en-us/HT214033 Vendor Advisory
- https://support.apple.com/kb/HT214033 Vendor Advisory
- https://support.apple.com/kb/HT214034 Vendor Advisory
- https://support.apple.com/kb/HT214062 Vendor Advisory
- https://www.debian.org/security/2023/dsa-5575 Mailing List
- http://seclists.org/fulldisclosure/2023/Dec/12 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/13 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/3 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/4 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/5 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Dec/8 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2024/Jan/35 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/12/05/1 Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AD2KIHHCUBQC2YYH3FJWAHI5BG3QETOH/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/ Mailing List
- https://security.gentoo.org/glsa/202401-04 Third Party Advisory
- https://support.apple.com/en-us/HT214031 Vendor Advisory
- https://support.apple.com/en-us/HT214032 Vendor Advisory
- https://support.apple.com/en-us/HT214033 Vendor Advisory
- https://support.apple.com/kb/HT214033 Vendor Advisory
- https://support.apple.com/kb/HT214034 Vendor Advisory
- https://support.apple.com/kb/HT214062 Vendor Advisory
- https://www.debian.org/security/2023/dsa-5575 Mailing List
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42916 US Government Resource