CVE-2011-2501 is an out-of-bounds read vulnerability in the png_format_buffer function of libpng versions 1.0.x, 1.2.x, 1.4.x, and 1.5.x, affecting products like Canonical, Debian, and Fedora. This medium-severity vulnerability (CVSS 6.5) can be triggered remotely with low complexity via a crafted PNG image, leading to a denial of service (application crash). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0.0, < 1.0.55CPE matchmatch criteria | cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:* | ||
>= 1.2.0, < 1.2.45CPE matchmatch criteria | cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:* | ||
>= 1.4.0, < 1.4.8CPE matchmatch criteria | cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:* | ||
>= 1.5.0, < 1.5.4CPE matchmatch criteria | cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:* | ||
14CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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.
Jul 2, 2011libpng: regression of CVE-2004-0421 in 1.2.23+
Jun 7, 2011