CVE-2022-36440
frr - security update
7.5
HIGH
CVSS 3.1
EPSS 0.25%
Description
A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.
How to fix CVE-2022-36440
To remediate CVE-2022-36440, upgrade the affected package to a fixed version below.
- Debian/frr—upgrade to 7.5.1-1.1+deb11u2 or later
- —upgrade to 7.5.1-1.1+deb10u1 or later
Is CVE-2022-36440 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7.5.1-1.1+deb11u2
- from 0, < 7.5.1-1.1+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |