CVE-2011-2691

CVSS 6.5 - MEDIUM
Description

The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.

Affected Products
7
Vendor Product Version
libpng libpng All versions
libpng libpng All versions
libpng libpng All versions
libpng libpng All versions
fedoraproject fedora 14
debian debian_linux 5.0
debian debian_linux 6.0
Weakness Types
CWE-476
CVE Information
CVE ID:
CVE-2011-2691
Published:
2011-07-17
Modified:
2026-04-29
CVSS Score:
6.5
Severity:
MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors
fedoraproject libpng debian
Quick Actions
CVSS Severity Scale
0.0 - 3.9 LOW
4.0 - 6.9 MEDIUM
7.0 - 8.9 HIGH
9.0 - 10.0 CRITICAL