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Gentoo Linux Security Advisory                           GLSA 202401-20
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: QPDF: Buffer Overflow
     Date: January 15, 2024
     Bugs: #803110
       ID: 202401-20

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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
-------------  ------------  ------------
app-text/qpdf  < 10.1.0      >= 10.1.0

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
==========

[ 1 ] CVE-2021-36978
      https://nvd.nist.gov/vuln/detail/CVE-2021-36978

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202401-20

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.

License
=======

Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-202401-20: QPDF: Buffer Overflow

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

Summary

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

Resolution

All QPDF users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-text/qpdf-10.1.0"

References

[ 1 ] CVE-2021-36978 https://nvd.nist.gov/vuln/detail/CVE-2021-36978

Availability

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

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.

Severity
Severity: Normal
Title: QPDF: Buffer Overflow
Date: January 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 ------------- ------------ ------------ app-text/qpdf < 10.1.0 >= 10.1.0

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.

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