Bug 1949245 (CVE-2021-3496)

Summary:	CVE-2021-3496 jhead: heap-based buffer overflow in Get16u() in exif.c
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:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	adrian
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	jhead 3.06.0.1	Doc Type:	---
Doc Text:	A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-04-13 22:46:45 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:	1949246, 1949247
Bug Blocks:	1949248

Description Guilherme de Almeida Suckevicz 2021-04-13 19:13:03 UTC

A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.

Reference:
https://github.com/Matthias-Wandel/jhead/issues/33

Comment 1 Guilherme de Almeida Suckevicz 2021-04-13 19:13:40 UTC

Created jhead tracking bugs for this issue:

Affects: epel-all [bug 1949247]
Affects: fedora-all [bug 1949246]

Comment 2 Product Security DevOps Team 2021-04-13 22:46:45 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.