CVE-2026-2644

medium

Description

A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

References

https://vuldb.com/?id.346406

https://github.com/niklasso/minisat/issues/55#issue-3832527387

https://vuldb.com/?submit.752775

https://vuldb.com/?ctiid.346406

https://github.com/niklasso/minisat/issues/55

https://github.com/niklasso/minisat/

Details

Source: Mitre, NVD

Published: 2026-02-18

Updated: 2026-02-20

Risk Information

CVSS v2

Base Score: 1.7

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00013