Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-40745.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-40745
Upstream
  • CVE-2011-2501
Published
2011-07-17T20:55:01Z
Modified
2026-09-09T05:29:25Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
CVE-2011-2501 affecting package syslinux for versions less than 6.04-11
Details

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.

References

Affected packages

Azure Linux:3 / syslinux

Package

Name
syslinux
Purl
pkg:rpm/azure-linux/syslinux

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.04-11

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-40745.json"