Log in Start free

Vulnerability · Published Oct 19, 2026 · Assigned by VulnCheck

CVE-2026-112276Netpbm through 11.16.00 Heap Out-of-Bounds Read via rasttopnm Colormap

Medium 6.1

In plain English

A medium-severity out-of-bounds read in Netpbm from Netpbm. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.2%top 90.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Netpbm through 11.16.00 contains a heap out-of-bounds read vulnerability in rasttopnm that allows attackers to read heap memory by supplying Sun rasterfiles with short colormaps. Attackers can craft colormapped rasterfiles with pixel bytes exceeding the palette length to leak up to 255 adjacent heap bytes into the PNM output or crash the program.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12netpbm-freeno fix listedDEBIAN-CVE-2026-112276
Debian:13netpbm-freeno fix listedDEBIAN-CVE-2026-112276
Debian:14netpbm-freeno fix listedDEBIAN-CVE-2026-112276
Ubuntu:22.04:LTSnetpbm-freeno fix listedUBUNTU-CVE-2026-112276
Ubuntu:24.04:LTSnetpbm-freeno fix listedUBUNTU-CVE-2026-112276
Ubuntu:26.04:LTSnetpbm-freeno fix listedUBUNTU-CVE-2026-112276
Ubuntu:26.10netpbm-freeno fix listedUBUNTU-CVE-2026-112276

Affected products (as reported)

VendorProductVersions
Netpbm Netpbm 0 – through 11.16.00

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References