Buffer overflow in Netpbm
CVE-2026-112275
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haindpwn/netpbm-sunraster-rle-oob-write-palette-oob-read (third-party-advisory)
- sourceforge.net/p/netpbm/code/5400/tree/advanced/converter/other/rast.c (technical-description)
- sourceforge.net/p/netpbm/code/5400/tree/super_stable/converter/other/rast.c (technical-description)
- netpbm.sourceforge.net/ (product)
- www.vulncheck.com/advisories/netpbm-through-11.16.00-heap-out-of-bounds-write-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112275?
- CVE-2026-112275 is a medium-severity vulnerability in Netpbm, classified under Out-of-bounds Write. CVSS score: 6.1/10. Published 2026-10-19.
- How severe is CVE-2026-112275?
- Medium severity. CVSS v3 base score is 6.1 out of 10.