CVE-2005-3662

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-11-18 · updated 2026-06-16
Weakness: CWE-119

Description

Off-by-one buffer overflow in pnmtopng before 2.39, when using the -alpha command line option (Alphas_Of_Color), allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PNM file with exactly 256 colors.

Affected products

Greg Roelofs Pnmtopng: 2.37.3, 2.37.4, 2.37.5, 2.37.6, 2.38

References

http://secunia.com/advisories/17544
http://secunia.com/advisories/17671
http://secunia.com/advisories/17679
http://secunia.com/advisories/17828
http://secunia.com/advisories/18186
http://secunia.com/advisories/18517
http://sourceforge.net/project/shownotes.php?release_id=370545
http://www.debian.org/security/2005/dsa-904
http://www.mandriva.com/security/advisories?name=MDKSA-2005:217
http://www.novell.com/linux/security/advisories/2005_28_sr.html
http://www.redhat.com/support/errata/RHSA-2005-843.html

Get alerted when CVE-2005-3662 or the next vulnerability affects your stack