| Name | CVE-2023-38406 |
| Description | bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3797-1, DLA-3865-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| frr (PTS) | buster, buster (lts) | 7.5.1-1.1+deb10u3 | fixed |
| buster (security) | 7.5.1-1.1+deb10u2 | fixed |
| bullseye | 7.5.1-1.1+deb11u2 | vulnerable |
| bullseye (security) | 7.5.1-1.1+deb11u3 | fixed |
| bookworm (security), bookworm | 8.4.4-1.1~deb12u1 | fixed |
| trixie | 10.1.1-0.1 | fixed |
| sid | 10.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| frr | source | buster | 7.5.1-1.1+deb10u2 | | DLA-3797-1 | |
| frr | source | bullseye | 7.5.1-1.1+deb11u3 | | DLA-3865-1 | |
| frr | source | bookworm | 8.4.4-1.1~deb12u1 | | | |
| frr | source | (unstable) | 8.4.4-1 | | | |
Notes
https://github.com/FRRouting/frr/pull/12884
https://github.com/FRRouting/frr/pull/12892 (backport for stable/8.4)
https://github.com/FRRouting/frr/commit/8a4e6637fc0621e90daa4decb4ee887a0af8ee24 (frr-8.4.3)