CVE-2021-46019: Null Pointer Dereference
First published: Fri Jan 14 2022(Updated: )
An untrusted pointer dereference in rec_db_destroy() at rec-db.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 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject 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/msg00009.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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46019
- https://nvd.nist.gov/vuln/detail/CVE-2021-46019
- https://launchpad.net/bugs/cve/CVE-2021-46019
- https://security-tracker.debian.org/tracker/CVE-2021-46019
- https://ubuntu.com/security/CVE-2021-46019
Frequently Asked Questions
What is the severity of CVE-2021-46019?
The severity of CVE-2021-46019 is considered medium due to the potential for application crashes.
How do I fix CVE-2021-46019?
To fix CVE-2021-46019, update GNU Recutils to version 1.9-4 or later.
What versions of GNU Recutils are affected by CVE-2021-46019?
CVE-2021-46019 affects GNU Recutils versions up to 1.8.90, including Debian versions 1.8-1, 1.9-2, and 1.9-3.
Which operating systems are impacted by CVE-2021-46019?
CVE-2021-46019 impacts systems running Fedora 35 and 36, as well as Debian with the affected versions.
What is the nature of the vulnerability described in CVE-2021-46019?
CVE-2021-46019 refers to an untrusted pointer dereference in rec_db_destroy() which can lead to segmentation faults.
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