Description
ospf_te_parse_te in ospfd/ospf_te.c in FRRouting (FRR) through 9.1 allows remote attackers to cause a denial of service (ospfd daemon crash) via a malformed OSPF LSA packet, because of an attempted access to a missing attribute field.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | frr | 9.1-0.1 | — |
| Debian 13 | frr | 9.1-0.1 | — |
| Debian 12 | frr | 8.4.4-1.1~deb12u2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | frr | 8.4.4-1.1ubuntu4 | — |
| Ubuntu 22.04 LTS | frr | 8.1-1ubuntu1.9 | USN-6679-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | frr | 8.5.6-150500.4.30.1 | SUSE-SU-2024:4090-1 |
| SLES 15 SP5 | frr | 8.4-150500.4.20.1 | SUSE-SU-2024:4090-1, SUSE-SU-2024:1453-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | frr | 8.4-11.1 | openSUSE-SU-2024:13911-1 |
| openSUSE Leap 15.6 | frr | 8.5.6-150500.4.30.1 | SUSE-SU-2024:4090-1 |
| openSUSE Leap 15.5 | frr | 8.4-150500.4.20.1 | SUSE-SU-2024:4090-1, SUSE-SU-2024:1453-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | frr | 8.5.5-1 | — |
Advisories 5
- WID-SEC-2024-0498 FRRouting Project FRRouting: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jun 4, 2026
- USN-6679-1 frr vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2024:4090-1 Security update for frr SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13911-1 frr-8.4-11.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1453-1 Security update for frr SUSE / openSUSE Security Updates · May 2, 2025