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

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.