CVE-2005-3662: greg_roelofs pnmtopng

Vulnerability summary

CVE-2005-3662 is a medium (CVSS 4.6) vulnerability in greg_roelofs pnmtopng. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.9% of scored vulnerabilities.

Timeline

1. 18-11-2005
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.