CVE-2021-46022: Use After Free
First published: Fri Jan 14 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/recutils | <=1.8-1<=1.9-2<=1.9-3 | |
| GNU Recutils | =1.8.90 | |
| Fedora | =35 | |
| Fedora | =36 |
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Reference Links
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TDVOFC3HTBG7DF2PZTEXRMG4CV2F55UF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VRSXSN2XF6PX74WDYVV26TQMYIFAEQ3T/
- https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00007.html
- https://github.com/gnu-mirror-unofficial/recutils/commit/34b75ed7ad492c8e38b669ebafe0176f1f9992d2
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDVOFC3HTBG7DF2PZTEXRMG4CV2F55UF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRSXSN2XF6PX74WDYVV26TQMYIFAEQ3T/
- https://nvd.nist.gov/vuln/detail/CVE-2021-46022
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46022
- https://launchpad.net/bugs/cve/CVE-2021-46022
- https://security-tracker.debian.org/tracker/CVE-2021-46022
- https://ubuntu.com/security/CVE-2021-46022
Frequently Asked Questions
What is the severity of CVE-2021-46022?
CVE-2021-46022 is considered a high severity vulnerability as it may lead to an application crash due to a use-after-free condition.
How do I fix CVE-2021-46022?
To fix CVE-2021-46022, upgrade to a patched version of GNU Recutils or install the recommended updates for your operating system.
Which versions of software are affected by CVE-2021-46022?
CVE-2021-46022 affects GNU Recutils versions up to and including 1.8.90 and certain versions of Fedora and Debian packages.
What impact does CVE-2021-46022 have on applications?
CVE-2021-46022 can lead to segmentation faults or crashes in applications using the affected function in GNU Recutils.
Is CVE-2021-46022 being actively exploited?
As of now, there is no public information indicating that CVE-2021-46022 is being actively exploited in the wild.
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