What’s Vulnerable › Vulnerabilities

CVE-2012-3425

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-08-13 · updated 2026-06-16
• Weakness: CWE-119

Description

The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via a large avail_in field value in a PNG image.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 15.04, 15.10
• Debian Linux: 6.0
• pnggroup libpng: 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5 (+134)
• Opensuse: 11.4, 12.1
• RedHat Libpng: 1.2.2-16, 1.2.2-20

References

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=668082
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=284de253b1561b976291ba7405acd71ae71ff597%3Bhb=refs/heads/libpng10
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=2da5a7a8b690e257f94353b5b49d493cdc385322%3Bhb=refs/heads/libpng14
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=73e2ffd6a1471f2144d0ce7165d7323cb109f10f%3Bhb=refs/heads/libpng15
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bhb=a4b640865ae47986bbe71ecc0e7d5181dcb0bac8
• http://lists.opensuse.org/opensuse-updates/2012-08/msg00004.html
• http://www.openwall.com/lists/oss-security/2012/07/24/3
• http://www.openwall.com/lists/oss-security/2012/07/24/5
• http://www.ubuntu.com/usn/USN-2815-1
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=668082
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=284de253b1561b976291ba7405acd71ae71ff597%3Bhb=refs/heads/libpng10
• http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=2da5a7a8b690e257f94353b5b49d493cdc385322%3Bhb=refs/heads/libpng14

Get alerted when CVE-2012-3425 or the next vulnerability affects your stack