Buffer overflow in Libpng

CVE-2011-0408

pngrtran.c in libpng 1.5.x before 1.5.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted palette-based PNG image that triggers a buffer overflow, related to the png_do_expand_palette function, the png_do_rgb_to_gray function, and an integer underflow. NOTE: some of these details are obtained from third party information.

Vulnerability class: Buffer Overflow

EPSS: 0.056 (92.1th percentile) — read the EPSS interpretation.

Affected products

Libpng — versions 1.5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cret@cert.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
cret@cert.org (x_refsource_OSVDB, vdb-entry)
cret@cert.org (US Government Resource, x_refsource_CERT-VN, third-party-advisory)
cret@cert.org (vdb-entry, x_refsource_XF)
cret@cert.org (vdb-entry, x_refsource_SECTRACK)
cret@cert.org (x_refsource_CONFIRM)
cret@cert.org (vdb-entry, x_refsource_VUPEN, Vendor Advisory)