CVE-2026-116724

FLTK through 1.4.5 Heap Buffer Overflow via Fl_BMP_Image Integer Overflow

Published Oct 26, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 31, 2026, 1:56 AM
Reserved
Oct 26, 2026, 8:23 PM
Status
Deferred
Published
Oct 26, 2026, 10:16 PM
Modified
Oct 31, 2026, 2:17 AM
Severity
Important
Public date
Oct 26, 2026, 9:52 PM