Bug 2190494 (CVE-2023-26936)

Summary:	CVE-2023-26936 xpdf: buffer overflow via a crafted PDF file in gmalloc() in goo/gmem.cc
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-04-28 23:09:59 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:	2191669, 2191670
Bug Blocks:	2190108

Description Guilherme de Almeida Suckevicz 2023-04-28 14:51:00 UTC

Buffer Overflow vulnerability found in XPDF v.4.04 allows an attacker to cause a Denial of Service via gmalloc in gmem.cc.

References:
https://gist.github.com/huanglei3/10e2a9bd07a109995b20ade306612a34
https://github.com/huanglei3/xpdf_Stack-backtracking/blob/main/gmem_copyString

Comment 1 Guilherme de Almeida Suckevicz 2023-04-28 17:50:15 UTC

Created xpdf tracking bugs for this issue:

Affects: epel-all [bug 2191670]
Affects: fedora-all [bug 2191669]

Comment 2 Product Security DevOps Team 2023-04-28 23:09:57 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.