CVE-2022-26127: Buffer Overflow
A buffer overflow vulnerability exists in FRRouting through 8.1.0 due to missing a check on the input packet length in the babelpacketexamin function in babeld/message.c.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/frrto a version that resolves this vulnerability.Fixed in 8.4.4-1.1~deb12u2Fixed in 10.3-3+deb13u1Fixed in 10.7.1-6 - Upgrade
Upgrade
alpine/frrto a version that resolves this vulnerability.Fixed in 8.2.1-r0 - Upgrade
Upgrade
debian/frrto a version that resolves this vulnerability.Fixed in 8.4.1-1
Event History
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.