Vulnerability · Published Nov 15, 2021 · Assigned by mitre

CVE-2021-43618

High 7.5

In plain English

A high-severity security flaw in the gmp package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.5% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.5%top 8.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8gmp1:6.1.2-11.el8ALSA-2024:3214
AlmaLinux:9gmp1:6.2.0-13.el9ALSA-2023:6661
AlmaLinux:8gmp-c++1:6.1.2-11.el8ALSA-2024:3214
AlmaLinux:9gmp-c++1:6.2.0-13.el9ALSA-2023:6661
AlmaLinux:8gmp-devel1:6.1.2-11.el8ALSA-2024:3214
AlmaLinux:9gmp-devel1:6.2.0-13.el9ALSA-2023:6661
Alpine:v3.20gmp6.2.1-r1ALPINE-CVE-2021-43618
Alpine:v3.21gmp6.2.1-r1ALPINE-CVE-2021-43618
Alpine:v3.22gmp6.2.1-r1ALPINE-CVE-2021-43618
Alpine:v3.23gmp6.2.1-r1ALPINE-CVE-2021-43618
Alpine:v3.24gmp6.2.1-r1ALPINE-CVE-2021-43618
Debian:12gmp2:6.2.1+dfsg-3DEBIAN-CVE-2021-43618
Debian:13gmp2:6.2.1+dfsg-3DEBIAN-CVE-2021-43618
Debian:14gmp2:6.2.1+dfsg-3DEBIAN-CVE-2021-43618
Rocky Linux:9gmp1:6.2.0-13.el9RLSA-2023:6661

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References