CVE-2021-46021
MEDIUMCVSS 5.5/10EPSS 0.95%
Last modified
CVE-2021-46021 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Recutils | 1.8.90 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
References
- https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00008.htmlExploit, Mailing List, Vendor Advisory
- https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00008.htmlExploit, Mailing List, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-46021?
CVE-2021-46021 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46021?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-46021?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST