GLSA 202401-20: QPDF: Buffer Overflow

http://security.gentoo.org/

Severity:	normal
Title:	QPDF: Buffer Overflow
Date:	01/15/2024
Bugs:	#803110
ID:	202401-20

Synopsis

A vulnerability has been found in QPDF which can lead to a heap-based buffer overflow.

Background

QPDF: A content-preserving PDF document transformer.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-text/qpdf	< 10.1.0	>= 10.1.0	All supported architectures

Description

A vulnerability has been discovered in QPDF. Please review the CVE identifier referenced below for details.

Impact

QPDF has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails.

Workaround

There is no known workaround at this time.

Resolution

All QPDF users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=app-text/qpdf-10.1.0"

References

CVE-2021-36978

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202401-20.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.