{"id":"CVE-2021-43618","title":"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.","summary":"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.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-190"],"vendor":"gmplib","product":"gmp","affected":["gmp <= 6.2.1","debian_linux = 9.0","active_iq_unified_manager","h300s_firmware","h500s_firmware","h700s_firmware","h410s_firmware","h410c_firmware"],"published":"2021-11-15","updated":"2026-10-14","sourceUpdated":"2026-10-14T12:17:16.350","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-43618","references":[{"url":"http://seclists.org/fulldisclosure/2022/Oct/8","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/10/13/3","label":"cve@mitre.org"},{"url":"https://bugs.debian.org/994405","label":"cve@mitre.org"},{"url":"https://gmplib.org/list-archives/gmp-bugs/2021-September/005077.html","label":"cve@mitre.org"},{"url":"https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2021/12/msg00001.html","label":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/202309-13","label":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20221111-0001/","label":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2022/Oct/8","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2022/10/13/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.debian.org/994405","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gmplib.org/list-archives/gmp-bugs/2021-September/005077.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2021/12/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202309-13","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20221111-0001/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.03712,"epssPercentile":0.89524,"ingestedAt":"2026-10-14T12:29:10.828Z","slug":"CVE-2021-43618","body":"## Overview\n\nGNU 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.\n\n## Affected\n\n- `gmp <= 6.2.1`\n- `debian_linux = 9.0`\n- `active_iq_unified_manager`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h410s_firmware`\n- `h410c_firmware`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.7,"exploitation":0,"ransomware":0},"changes":[]}