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.
EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Libpng — versions 1.6.0, 1.6.1, 1.6.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cret@cert.org (x_refsource_CONFIRM)
- cret@cert.org (x_refsource_REDHAT, vendor-advisory)
- cret@cert.org (vendor-advisory, x_refsource_GENTOO)
- cret@cert.org (x_refsource_CONFIRM)
- cret@cert.org (vendor-advisory, x_refsource_FEDORA)
- cret@cert.org (vendor-advisory, x_refsource_SUSE)
- cret@cert.org (x_refsource_HP, vendor-advisory)
- cret@cert.org (x_refsource_CONFIRM)
- cret@cert.org (x_refsource_CONFIRM, Exploit, Patch)
- cret@cert.org (US Government Resource, x_refsource_CERT-VN, 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.