CVE-2022-26127: Buffer Overflow
First published: Thu Mar 03 2022(Updated: )
A buffer overflow vulnerability exists in FRRouting through 8.1.0 due to missing a check on the input packet length in the babel_packet_examin function in babeld/message.c.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Frrouting Frrouting | <=8.1 | |
| debian/frr | <=7.5.1-1.1+deb11u2 | 7.5.1-1.1+deb11u3 8.4.4-1.1~deb12u1 10.1.1-0.1 10.2-2 |
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Reference Links
- https://github.com/FRRouting/frr/issues/10487
- https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
- https://launchpad.net/bugs/cve/CVE-2022-26127
- https://github.com/FRRouting/frr/pull/10494
- https://security-tracker.debian.org/tracker/CVE-2022-26127
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26127
- https://nvd.nist.gov/vuln/detail/CVE-2022-26127
- https://ubuntu.com/security/CVE-2022-26127
Frequently Asked Questions
What is CVE-2022-26127?
CVE-2022-26127 is a buffer overflow vulnerability in FRRouting through version 8.1.0.
What is the severity of CVE-2022-26127?
CVE-2022-26127 has a severity rating of 7.8 (high).
How does CVE-2022-26127 work?
CVE-2022-26127 occurs due to a missing check on the input packet length in the babel_packet_examin function in babeld/message.c.
Which software versions are affected by CVE-2022-26127?
FRRouting versions up to and including 8.1.0 are affected by CVE-2022-26127.
How can I fix CVE-2022-26127?
To fix CVE-2022-26127, update FRRouting to version 8.4.4-1.1~deb12u1 or later.
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