CVE-2026-120431 Netpbm - Buffer Overflow

Netpbm < 10.86.51, 11.x < 11.02.29, and 11.03 < 11.15.07 contain a heap-based buffer overflow caused by improper handling of oversized offset table lengths in sgitopnm's readChannels() function, letting attackers execute code or cause crashes via crafted SGI files, exploit requires crafted SGI image files.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-122

Vendor fix

Update to version 10.86.51, 11.02.29, 11.15.07 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs