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CVE-2021-43618

Published: 15 November 2021

GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms.

Notes

AuthorNote
sbeattie
reproducer in debian bug report

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
gmp
Launchpad, Ubuntu, Debian
bionic
Released (2:6.1.2+dfsg-2ubuntu0.1)
focal
Released (2:6.2.0+dfsg-4ubuntu0.1)
hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Not vulnerable
(2:6.2.1+dfsg-3ubuntu1)
kinetic Not vulnerable
(2:6.2.1+dfsg1-1ubuntu2)
lunar Not vulnerable
(2:6.2.1+dfsg1-1ubuntu2)
trusty
Released (2:5.1.3+dfsg-1ubuntu1+esm1)
upstream
Released (2:6.2.1+dfsg-3)
xenial
Released (2:6.1.0+dfsg-2ubuntu0.1~esm1)
Patches:
upstream: https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H