CVE-2013-6954

libpng: unhandled zero-length PLTE chunk or NULL palette

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Severity

Low

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · December 19, 2013

Updated · June 28, 2026

Description

The png_do_expand_palette function in libpng before 1.6.8 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via (1) a PLTE chunk of zero bytes or (2) a NULL palette, related to pngrtran.c and pngset.c.

Statement

Not Vulnerable. This issue does not affect the version of libpng as shipped with Red Hat Enterprise Linux 5 and 6.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.3
AV:N/AC:M/Au:N/C:N/I:N/A:P

CWE not specified