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Vulnerability record · CVE-2021-46022 · published 14 January 2022

CVE-2021-46022: Gnu recutils use after free vulnerability

Gnu · Recutils

An Use-After-Free vulnerability in rec_mset_elem_destroy() at rec-mset.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.

5.5 CVSS 3.1 Medium EPSS 0.97% · top 39.6% CWE-416 · Use after free
5.5CVSS 3.1 base score, v2 4.3
0.97%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An Use-After-Free vulnerability in rec_mset_elem_destroy() at rec-mset.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/gnu-mirror-unofficial/recutils/commit/34b75ed7ad492c8e38b669ebafe0176f1f9992d2
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDVOFC3HTBG7DF2PZTEXRMG
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRSXSN2XF6PX74WDYVV26TQ
https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00007.html ExploitMailing ListVendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-46022
https://github.com/gnu-mirror-unofficial/recutils/commit/34b75ed7ad492c8e38b669ebafe0176f1f9992d2
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDVOFC3HTBG7DF2PZTEXRMG
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRSXSN2XF6PX74WDYVV26TQ
https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00007.html ExploitMailing ListVendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-46022

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Source: NIST National Vulnerability Database (record CVE-2021-46022), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.