CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HCVE-2011-2501
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.
Severity
- EPSS
- 3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- fedoraproject:fedora
- libpng:libpng
References
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=65e6d5a34f49acdb362a0625a706c6b914e670af
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062720.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
- http://secunia.com/advisories/45046
- http://secunia.com/advisories/45289