CVE-2021-33912: Buffer Overflow
First published: Wed Jan 19 2022(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libspf2 Project Libspf2 | <1.2.11 | |
| Debian Debian Linux | =9.0 | |
| debian/libspf2 | 1.2.10-7.1~deb11u1 1.2.10-7.2 1.2.10-8.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/shevek/libspf2/tree/8131fe140704eaae695e76b5cd09e39bd1dd220b
- https://lists.debian.org/debian-lts-announce/2022/01/msg00015.html
- https://nathanielbennett.com/blog/libspf2-cve-jan-2022-disclosure
- https://security.gentoo.org/glsa/202401-22
- https://launchpad.net/bugs/cve/CVE-2021-33912
- https://github.com/shevek/libspf2/pull/35
- https://github.com/shevek/libspf2/commit/28faf4624a6a371b11afdb9820078d3b0ee3803d
- https://security-tracker.debian.org/tracker/CVE-2021-33912
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33912
- https://nvd.nist.gov/vuln/detail/CVE-2021-33912
- https://ubuntu.com/security/CVE-2021-33912
Frequently Asked Questions
What is CVE-2021-33912?
CVE-2021-33912 is a vulnerability in libspf2 before 1.2.11 that allows remote attackers to execute arbitrary code with a crafted SPF DNS record.
How severe is CVE-2021-33912?
CVE-2021-33912 has a severity rating of 9.8 (critical).
Which software versions are affected by CVE-2021-33912?
Versions of libspf2 before 1.2.11 and Debian Linux 9.0 are affected by CVE-2021-33912.
How can the vulnerability be fixed?
To fix CVE-2021-33912, upgrade to libspf2 version 1.2.11 or apply the necessary security patches.
Is there any additional information about CVE-2021-33912?
Yes, you can find more information about CVE-2021-33912 in the provided references.
- collector/nvd-index
- agent/type
- agent/severity
- agent/author
- agent/weakness
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- collector/nvd-cve
- collector/launchpad-cve
- source/Launchpad
- collector/security-tracker-debian
- source/Debian
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- agent/trending
- vendor/libspf2 project
- canonical/libspf2 project libspf2
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- package-manager/debian