NULL pointer dereference in Libpng
CVE-2013-6954
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.047 (91.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Libpng — versions 1.6.0, 1.6.1, 1.6.2
Weakness classification (CWE)
References
- www.ibm.com/support/docview.wss
- access.redhat.com/errata/RHSA-2014:0414 (vendor-advisory)
- security.gentoo.org/glsa/glsa-201406-32.xml (vendor-advisory)
- advisories.mageia.org/MGASA-2014-0075.html
- lists.fedoraproject.org/pipermail/package-announce/2014-February/128098.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2014-01/msg00071.html (vendor-advisory)
- marc.info/ (vendor-advisory)
- www-01.ibm.com/support/docview.wss
- sourceforge.net/p/libpng/code/ci/1faa6ff32c648acfe3cf30a58d31d7aebc24968c (Exploit, Patch)
- www.kb.cert.org/vuls/id/650142 (US Government Resource, third-party-advisory)
Frequently asked questions
- What is CVE-2013-6954?
- CVE-2013-6954 is a medium-severity vulnerability in Libpng, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2014-01-12.
- How severe is CVE-2013-6954?
- Medium severity. CVSS v3 base score is 6.5 out of 10.