CVE-2013-6954

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-01-12 · updated 2026-06-17
Weakness: CWE-476

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.

Affected products

pnggroup libpng: through 1.6.8; 1.6.0, 1.6.0-beta, 1.6.1, 1.6.1-beta, 1.6.2, 1.6.2-beta (+8)

References

http://advisories.mageia.org/MGASA-2014-0075.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127947.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127952.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/128098.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/128099.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/128114.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00071.html
http://marc.info/?l=bugtraq&m=140852886808946&w=2
http://marc.info/?l=bugtraq&m=140852974709252&w=2
http://secunia.com/advisories/58974
http://secunia.com/advisories/59058
http://security.gentoo.org/glsa/glsa-201406-32.xml

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