# CVE-2021-43618: gmp: The gmp packages contain GNU MP, a library for arbitrary precision arithmetics, signed integers operations, rational... CVE-2021-43618 is fixed in 9 products on 1 platform, first by libgmp10 2:6.1.2+dfsg-2ubuntu0.1, released November 14, 2021. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2021-43618 - Priority: High - CVSS: 7.5 (Moderate) - EPSS: 0.0446 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Nov 14, 2021 ## Description The gmp packages contain GNU MP, a library for arbitrary precision arithmetics, signed integers operations, rational numbers, and floating point numbers. Security Fix(es): * gmp: Integer overflow and resultant buffer overflow via crafted input (CVE-2021-43618) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.10 Release Notes linked from the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | gmp Debian 12.15 (bookworm) | 2:6.2.1+dfsg-3 | [DEBIAN-CVE-2021-43618](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43618.md) | Nov 15, 2021 | | Linux | gmp Debian 13.5 (trixie) | 2:6.2.1+dfsg-3 | [DEBIAN-CVE-2021-43618](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43618.md) | Nov 15, 2021 | | Linux | gmp Debian 14 | 2:6.2.1+dfsg-3 | [DEBIAN-CVE-2021-43618](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43618.md) | Nov 15, 2021 | | Linux | gmp RHEL 8 | 1:6.1.2-11.el8 | [RHSA-2024:3214](https://patchblox.com/security/data/fix/linux/rhsa-2024-3214.md) | May 22, 2024 | | Linux | gmp RHEL 9 | 1:6.2.0-13.el9 | [RHSA-2023:6661](https://patchblox.com/security/data/fix/linux/rhsa-2023-6661.md) | Nov 7, 2023 | | Linux | gmp almalinux 8 | 1:6.1.2-11.el8 | [ALSA-2024:3214](https://patchblox.com/security/data/fix/linux/alsa-2024-3214.md) | May 22, 2024 | | Linux | gmp almalinux 9 | 1:6.2.0-13.el9 | [ALSA-2023:6661](https://patchblox.com/security/data/fix/linux/alsa-2023-6661.md) | Nov 7, 2023 | | Linux | gmp amzn 2023 | 1:6.2.1-2.amzn2023.0.2 | [ALAS2023-2023-033](https://patchblox.com/security/data/fix/linux/alas2023-2023-033.md) | Feb 17, 2023 | | Linux | gmp ol 8 | 1:6.1.2-11.el8 | [ELSA-2024-3214](https://patchblox.com/security/data/fix/linux/elsa-2024-3214.md) | May 23, 2024 | | Linux | gmp ol 9 | 1:6.2.0-13.el9 | [ELSA-2023-6661](https://patchblox.com/security/data/fix/linux/elsa-2023-6661.md) | Nov 11, 2023 | | Linux | gmp rocky 9 | 1:6.2.0-13.el9 | [RLSA-2023:6661](https://patchblox.com/security/data/fix/linux/rlsa-2023-6661.md) | Jun 25, 2026 | | Linux | gmp-c++ RHEL 8 | 1:6.1.2-11.el8 | [RHSA-2024:3214](https://patchblox.com/security/data/fix/linux/rhsa-2024-3214.md) | May 22, 2024 | | Linux | gmp-c++ RHEL 9 | 1:6.2.0-13.el9 | [RHSA-2023:6661](https://patchblox.com/security/data/fix/linux/rhsa-2023-6661.md) | Nov 7, 2023 | | Linux | gmp-c++ almalinux 8 | 1:6.1.2-11.el8 | [ALSA-2024:3214](https://patchblox.com/security/data/fix/linux/alsa-2024-3214.md) | May 22, 2024 | | Linux | gmp-c++ almalinux 9 | 1:6.2.0-13.el9 | [ALSA-2023:6661](https://patchblox.com/security/data/fix/linux/alsa-2023-6661.md) | Nov 7, 2023 | | Linux | gmp-c++ amzn 2023 | 1:6.2.1-2.amzn2023.0.2 | [ALAS2023-2023-033](https://patchblox.com/security/data/fix/linux/alas2023-2023-033.md) | Feb 17, 2023 | | Linux | gmp-c++ ol 8 | 1:6.1.2-11.el8 | [ELSA-2024-3214](https://patchblox.com/security/data/fix/linux/elsa-2024-3214.md) | May 23, 2024 | | Linux | gmp-c++ ol 9 | 1:6.2.0-13.el9 | [ELSA-2023-6661](https://patchblox.com/security/data/fix/linux/elsa-2023-6661.md) | Nov 11, 2023 | | Linux | gmp-c++-debuginfo amzn 2023 | 1:6.2.1-2.amzn2023.0.2 | [ALAS2023-2023-033](https://patchblox.com/security/data/fix/linux/alas2023-2023-033.md) | Feb 17, 2023 | | Linux | gmp-debuginfo amzn 2023 | 1:6.2.1-2.amzn2023.0.2 | [ALAS2023-2023-033](https://patchblox.com/security/data/fix/linux/alas2023-2023-033.md) | Feb 17, 2023 | | Linux | gmp-debugsource amzn 2023 | 1:6.2.1-2.amzn2023.0.2 | [ALAS2023-2023-033](https://patchblox.com/security/data/fix/linux/alas2023-2023-033.md) | Feb 17, 2023 | | Linux | gmp-devel RHEL 8 | 1:6.1.2-11.el8 | [RHSA-2024:3214](https://patchblox.com/security/data/fix/linux/rhsa-2024-3214.md) | May 22, 2024 | | Linux | gmp-devel RHEL 9 | 1:6.2.0-13.el9 | [RHSA-2023:6661](https://patchblox.com/security/data/fix/linux/rhsa-2023-6661.md) | Nov 7, 2023 | | Linux | gmp-devel almalinux 8 | 1:6.1.2-11.el8 | [ALSA-2024:3214](https://patchblox.com/security/data/fix/linux/alsa-2024-3214.md) | May 22, 2024 | | Linux | gmp-devel almalinux 9 | 1:6.2.0-13.el9 | [ALSA-2023:6661](https://patchblox.com/security/data/fix/linux/alsa-2023-6661.md) | Nov 7, 2023 | | Linux | gmp-devel amzn 2023 | 1:6.2.1-2.amzn2023.0.2 | [ALAS2023-2023-033](https://patchblox.com/security/data/fix/linux/alas2023-2023-033.md) | Feb 17, 2023 | | Linux | gmp-devel ol 8 | 1:6.1.2-11.el8 | [ELSA-2024-3214](https://patchblox.com/security/data/fix/linux/elsa-2024-3214.md) | May 23, 2024 | | Linux | gmp-devel ol 9 | 1:6.2.0-13.el9 | [ELSA-2023-6661](https://patchblox.com/security/data/fix/linux/elsa-2023-6661.md) | Nov 11, 2023 | | Linux | gmp-static amzn 2023 | 1:6.2.1-2.amzn2023.0.2 | [ALAS2023-2023-033](https://patchblox.com/security/data/fix/linux/alas2023-2023-033.md) | Feb 17, 2023 | | Linux | libgmp10 Ubuntu 18.04.6 LTS (bionic) | 2:6.1.2+dfsg-2ubuntu0.1 | [libgmp10 2:6.1.2+dfsg-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgmp10-2-6.1.2-dfsg-2ubuntu0.1.md) | Nov 14, 2021 | | Linux | libgmp10 Ubuntu 20.04 LTS (focal) | 2:6.2.0+dfsg-4ubuntu0.1 | [libgmp10 2:6.2.0+dfsg-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgmp10-2-6.2.0-dfsg-4ubuntu0.1.md) | Nov 14, 2021 | | Linux | libgmpxx4ldbl Ubuntu 18.04.6 LTS (bionic) | 2:6.1.2+dfsg-2ubuntu0.1 | [libgmpxx4ldbl 2:6.1.2+dfsg-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgmpxx4ldbl-2-6.1.2-dfsg-2ubuntu0.1.md) | Nov 14, 2021 | | Linux | libgmpxx4ldbl Ubuntu 20.04 LTS (focal) | 2:6.2.0+dfsg-4ubuntu0.1 | [libgmpxx4ldbl 2:6.2.0+dfsg-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgmpxx4ldbl-2-6.2.0-dfsg-4ubuntu0.1.md) | Nov 14, 2021 | --- Data as of 2026-11-09T01:18:40Z UTC. 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