CVE-2005-3662

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.

Published: 2005-11-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-3662 is rated Low Risk (34.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.60%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-3662

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.28% 0.60% +0.32%
2 2025-03-30 0.44% 0.28% -0.16%
3 2025-03-29 — 0.44% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3662

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2005-3662

OS Trackers for CVE-2005-3662

vendor priority summary link
debian medium CVE-2005-3662 medium priority: Debian including 1 source packages (netpbm-free), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-3662
redhat medium — https://access.redhat.com/security/cve/CVE-2005-3662
ubuntu medium CVE-2005-3662 medium priority: Ubuntu including 1 source packages (netpbm-free), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-3662

Affected software / configurations for CVE-2005-3662

Vendor Product Version Raw CPE
greg_roelofs pnmtopng 2.37.3 cpe:2.3:a:greg_roelofs:pnmtopng:2.37.3:*:*:*:*:*:*:*
greg_roelofs pnmtopng 2.37.4 cpe:2.3:a:greg_roelofs:pnmtopng:2.37.4:*:*:*:*:*:*:*
greg_roelofs pnmtopng 2.37.5 cpe:2.3:a:greg_roelofs:pnmtopng:2.37.5:*:*:*:*:*:*:*
greg_roelofs pnmtopng 2.37.6 cpe:2.3:a:greg_roelofs:pnmtopng:2.37.6:*:*:*:*:*:*:*
greg_roelofs pnmtopng 2.38 cpe:2.3:a:greg_roelofs:pnmtopng:2.38:*:*:*:*:*:*:*

References for CVE-2005-3662

URL Tags
ftp://patches.sgi.com/support/free/security/advisories/20060101-01-U
http://secunia.com/advisories/17544 Patch Vendor Advisory
http://secunia.com/advisories/17671 Vendor Advisory
http://secunia.com/advisories/17679 Vendor Advisory
http://secunia.com/advisories/17828 Vendor Advisory
http://secunia.com/advisories/18186 Vendor Advisory
http://secunia.com/advisories/18517 Vendor Advisory
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
http://www.securityfocus.com/bid/15427
http://www.vupen.com/english/advisories/2005/2418 Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9583
https://usn.ubuntu.com/218-1/
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