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

Announced

2024-01-15

Revised

2024-01-15

Access

remote

Bugs

#803110

Advisory

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

Affected packages

Package	Arch	Vulnerable	Unaffected
app-text/qpdf	*	< 10.1.0	>= 10.1.0

Background

QPDF: A content-preserving PDF document transformer.

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