Use After Free in GNU Recutils
CVE-2021-46021
An Use-After-Free vulnerability in rec_record_destroy() at rec-record.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- GNU Recutils — versions 1.8.90
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
References
- lists.gnu.org/archive/html/bug-recutils/2021-12/msg00008.html (Exploit, Mailing List, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-46021?
- CVE-2021-46021 is a medium-severity vulnerability in GNU Recutils, classified under Use After Free. CVSS score: 5.5/10. Published 2022-01-14.
- How severe is CVE-2021-46021?
- Medium severity. CVSS v3 base score is 5.5 out of 10.