Netpbm before 10.86.51, 11.x before 11.02.29, and 11.03 before 11.15.07 contains a heap-based buffer overflow in sgitopnm's readChannels() function when processing RLE-compressed SGI images. Attackers can supply crafted SGI files with oversized offset table lengths to write controlled data past the heap buffer, causing crashes or potential code execution.
History

Mon, 02 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
Description Netpbm before 10.86.51, 11.x before 11.02.29, and 11.03 before 11.15.07 contains a heap-based buffer overflow in sgitopnm's readChannels() function when processing RLE-compressed SGI images. Attackers can supply crafted SGI files with oversized offset table lengths to write controlled data past the heap buffer, causing crashes or potential code execution.
Title Netpbm before 10.86.51, 11.02.29, and 11.15.07 sgitopnm Heap Buffer Overflow
First Time appeared Netpbm Project
Netpbm Project netpbm
Weaknesses CWE-122
CPEs cpe:2.3:a:netpbm_project:netpbm:*:*:*:*:*:*:*:*
Vendors & Products Netpbm Project
Netpbm Project netpbm
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-11-02T14:28:55.731Z

Updated: 2026-11-06T19:28:27.751Z

Reserved: 2026-11-02T12:42:12.344Z

Link: CVE-2026-120431

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-02T15:17:24.573

Modified: 2026-11-06T20:17:16.743

Link: CVE-2026-120431

cve-icon Redhat

No data.