CVE-2021-43618

HIGH 7.5CVE-2021-43618 · Published 15/11/2021 · updated 14/10/2026

In short

CVE-2021-43618 is a HIGH (CVSS 7.5) vulnerability affecting gmp (gmplib).
Chance of exploitation in the next 30 days (EPSS): 4.5%, higher than 91.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
gmp gmplib	`≤ 6.2.1`	No fix yet

Description

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.

References

seclists.org/fulldisclosure/2022/Oct/8 · Mailing List
openwall.com/lists/oss-security/2022/10/13/3 · Mailing List
bugs.debian.org/994405 · Mailing List
gmplib.org/list-archives/gmp-bugs/2021-September/005077.html · Exploit
gmplib.org/repo/gmp-6.2/rev/561a9c25298e · Patch
lists.debian.org/debian-lts-announce/2021/12/msg00001.html · Mailing List
security.gentoo.org/glsa/202309-13
security.netapp.com/advisory/ntap-20221111-0001 · Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-398330.html

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free