CVEvulnerability

CVE-2011-2501

6.5 MEDIUM Published 2011-07-17 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-07-17
Last modified
2026-06-16
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-125

Description

The png_format_buffer 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 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.

Affected configurations

• libpng libpng (>= 1.0.0 < 1.0.55) • libpng libpng (>= 1.2.0 < 1.2.45) • libpng libpng (>= 1.4.0 < 1.4.8) • libpng libpng (>= 1.5.0 < 1.5.4) • fedoraproject fedora 14 • debian debian linux 5.0 • debian debian linux 6.0 • canonical ubuntu linux 8.04 • canonical ubuntu linux 10.04 • canonical ubuntu linux 10.10 • canonical ubuntu linux 11.04

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References