libTIFF: Multiple vulnerabilities — GLSA 202104-06

Multiple vulnerabilities have been found in LibTIFF, the worst of which could result in the execution of arbitrary code.

Affected packages

Package	media-libs/tiff on all architectures
Affected versions	< 4.2.0
Unaffected versions	>= 4.2.0

Background

The TIFF library contains encoding and decoding routines for the Tag Image File Format. It is called by numerous programs, including GNOME and KDE applications, to interpret TIFF images.

Description

Multiple vulnerabilities have been discovered in LibTIFF. Please review the referenced CVE identifiers for details.

Impact

A remote attacker, by enticing the user to process a specially crafted TIFF file, could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All LibTIFF users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-libs/tiff-4.2.0"

References

Release date
April 30, 2021

Latest revision
April 30, 2021: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries

775125