Vulnerability · Published Oct 19, 2026 · Assigned by VulnCheck
CVE-2026-112275Netpbm through 11.16.00 Heap Out-of-Bounds Write via rasttopnm pr_load_image
Medium 6.1
In plain English
A medium-severity out-of-bounds write in Netpbm from Netpbm. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.1%top 97.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Netpbm through 11.16.00 contains a heap out-of-bounds write vulnerability in the rasttopnm Sun rasterfile run-length decoder pr_load_image in converter/other/rast.c. Attackers can supply a byte-encoded rasterfile with tiny dimensions and a long run-length body to write controlled bytes past md_image, causing memory corruption and crashes.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | netpbm-free | no fix listed | DEBIAN-CVE-2026-112275 |
| Debian:13 | netpbm-free | no fix listed | DEBIAN-CVE-2026-112275 |
| Debian:14 | netpbm-free | no fix listed | DEBIAN-CVE-2026-112275 |
| Ubuntu:22.04:LTS | netpbm-free | no fix listed | UBUNTU-CVE-2026-112275 |
| Ubuntu:24.04:LTS | netpbm-free | no fix listed | UBUNTU-CVE-2026-112275 |
| Ubuntu:26.04:LTS | netpbm-free | no fix listed | UBUNTU-CVE-2026-112275 |
| Ubuntu:26.10 | netpbm-free | no fix listed | UBUNTU-CVE-2026-112275 |
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
References
- https://hackmd.io/@haindpwn/netpbm-sunraster-rle-oob-write-palette-oob-read third-party-advisory
- https://sourceforge.net/p/netpbm/code/5400/tree/advanced/converter/other/rast.c technical-description
- https://sourceforge.net/p/netpbm/code/5400/tree/super_stable/converter/other/rast.c technical-description
- https://netpbm.sourceforge.net/ product
- VulnCheck Advisory: Netpbm through 11.16.00 Heap Out-of-Bounds Write via rasttopnm pr_load_image third-party-advisory