Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package gmp (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-GMP-12402375
- published1 Sept 2025
- disclosed15 Nov 2021
Introduced: 15 Nov 2021
CVE-2021-43618 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gmp package and not the gmp package as distributed by RHEL.
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
- https://access.redhat.com/security/cve/CVE-2021-43618
- https://bugs.debian.org/994405
- https://gmplib.org/list-archives/gmp-bugs/2021-September/005077.html
- https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e
- http://seclists.org/fulldisclosure/2022/Oct/8
- http://www.openwall.com/lists/oss-security/2022/10/13/3
- https://lists.debian.org/debian-lts-announce/2021/12/msg00001.html
- https://security.gentoo.org/glsa/202309-13
- https://security.netapp.com/advisory/ntap-20221111-0001/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html