vulnerability
Red Hat: CVE-2023-38406: ffr: Flowspec overflow in bgpd/bgp_flowspec.c (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Nov 6, 2023 | Jan 11, 2024 | Mar 27, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Nov 6, 2023
Added
Jan 11, 2024
Modified
Mar 27, 2026
Description
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
Solutions
redhat-upgrade-frrredhat-upgrade-frr-debuginforedhat-upgrade-frr-debugsourceredhat-upgrade-frr-selinux
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.