FLTK through 1.4.5 contains an integer overflow vulnerability in Fl_BMP_Image::load_bmp_() that causes undersized pixel buffer allocation from file-supplied width and height. Attackers can supply a crafted BMP or ICO file with large dimensions so row decoding writes file-derived data past the heap buffer, corrupting the application heap.
History

Sat, 31 Oct 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 27 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
References
Metrics threat_severity

None

threat_severity

Important


Tue, 27 Oct 2026 04:30:00 +0000

Type Values Removed Values Added
Description FLTK through 1.4.5 contains an integer overflow vulnerability in Fl_BMP_Image::load_bmp_() that causes undersized pixel buffer allocation from file-supplied width and height. Attackers can supply a crafted BMP or ICO file with large dimensions so row decoding writes file-derived data past the heap buffer, corrupting the application heap.
Title FLTK through 1.4.5 Heap Buffer Overflow via Fl_BMP_Image Integer Overflow
First Time appeared Fltk Project
Fltk Project fltk
Weaknesses CWE-190
CPEs cpe:2.3:a:fltk_project:fltk:*:*:*:*:*:*:*:*
Vendors & Products Fltk Project
Fltk Project fltk
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: 2026-10-26T21:52:28.153Z

Updated: 2026-10-31T01:56:12.570Z

Reserved: 2026-10-26T20:23:34.151Z

Link: CVE-2026-116724

cve-icon Vulnrichment

Updated: 2026-10-31T01:56:08.399Z

cve-icon NVD

Status : Deferred

Published: 2026-10-26T22:16:56.070

Modified: 2026-10-31T02:17:33.410

Link: CVE-2026-116724

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-26T21:52:28Z

Links: CVE-2026-116724 - Bugzilla