Bug 2253054 (CVE-2023-42916)

Summary:	CVE-2023-42916 webkitgtk: Out-of-bounds read leads to sensitive data leak
Product:	[Other] Security Response	Reporter:	Marco Benatto <mbenatto>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gsuckevi
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in WebKitGTK. Processing malicious web content may cause an out-of-bounds read due to an improper input validation, resulting in sensitive content leaking.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-12-05 19:51:42 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2253055
Bug Blocks:	2253040

Description Marco Benatto 2023-12-05 19:33:48 UTC

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.

References:
https://webkitgtk.org/security/WSA-2023-0011.html
http://www.openwall.com/lists/oss-security/2023/12/05/1
https://support.apple.com/en-us/HT214031
https://support.apple.com/en-us/HT214032
https://support.apple.com/en-us/HT214033

Comment 1 Marco Benatto 2023-12-05 19:37:29 UTC

Created webkitgtk tracking bugs for this issue:

Affects: fedora-all [bug 2253055]

Comment 2 errata-xmlrpc 2025-07-07 02:27:09 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364