CVE-2009-2042

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-06-12 · updated 2026-06-16
Weakness: CWE-200

Description

libpng before 1.2.37 does not properly parse 1-bit interlaced images with width values that are not divisible by 8, which causes libpng to include uninitialized bits in certain rows of a PNG file and might allow remote attackers to read portions of sensitive memory via "out-of-bounds pixels" in the file.

Affected products

pnggroup libpng: through 1.2.35; 0.89c, 0.95, 1.0.0, 1.0.1, 1.0.2, 1.0.7-beta17 (+242)

References

http://archives.neohapsis.com/archives/bugtraq/2010-04/0077.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-04/0121.html
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://lists.vmware.com/pipermail/security-announce/2010/000090.html
http://secunia.com/advisories/35346
http://secunia.com/advisories/35470
http://secunia.com/advisories/35524
http://secunia.com/advisories/35594
http://secunia.com/advisories/39206
http://secunia.com/advisories/39215
http://secunia.com/advisories/39251
http://security.gentoo.org/glsa/glsa-200906-01.xml

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