Description
An issue was discovered in FRRouting (FRR) through 10.1. bgp_attr_encap in bgpd/bgp_attr.c does not check the actual remaining stream length before taking the TLV value.
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 | 10.1-0.2 | — |
| Debian 13 | frr | 10.1-0.2 | — |
| Debian 12 | frr | No fix yet | — |
| Debian 11 | frr | 7.5.1-1.1+deb11u3 | DLA-3865-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | frr | 8.4.4-1.1ubuntu6.2 | USN-7230-2, USN-7016-1 |
| Ubuntu 22.04 LTS | frr | 8.1-1ubuntu1.11 | USN-7230-2, USN-7016-1 |
| Ubuntu 20.04 LTS | quagga | 1.2.4-4ubuntu0.5 | USN-7017-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | frr | 7.2.1-1ubuntu0.2+esm3 | USN-7230-2 |
| Ubuntu Pro 18.04 LTS | quagga | 1.2.4-1ubuntu0.1~esm2 | USN-7230-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | frr | 8.4-150500.4.26.1 | SUSE-SU-2024:4090-1, SUSE-SU-2024:3108-1 |
| SLES 15 SP6 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| SLES 15 SP5 | frr | 8.4-150500.4.26.1 | SUSE-SU-2024:4090-1, SUSE-SU-2024:3108-1 |
| SLES 15 SP5 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| SLES 15 SP4 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SLES 15 SP4 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| SLES 15 SP3 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SLES 15 SP3 | quagga | 1.1.1-150000.4.6.1 | SUSE-SU-2024:3433-1 |
| SLES 15 SP2 | quagga | 1.1.1-150000.4.6.1 | SUSE-SU-2024:3433-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | quagga | 1.1.1-17.13.1 | SUSE-SU-2024:3426-1 |
| SLES for SAP 15 SP4 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SLES for SAP 15 SP4 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| SLES for SAP 15 SP3 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SLES for SAP 15 SP3 | quagga | 1.1.1-150000.4.6.1 | SUSE-SU-2024:3433-1 |
| SLES for SAP 15 SP2 | quagga | 1.1.1-150000.4.6.1 | SUSE-SU-2024:3433-1 |
| SLES for SAP 12 SP5 | quagga | 1.1.1-17.13.1 | SUSE-SU-2024:3426-1 |
| SLE HPC 15 SP4 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SLE HPC 15 SP4 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| SLE HPC 15 SP3 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SLE HPC 15 SP3 | quagga | 1.1.1-150000.4.6.1 | SUSE-SU-2024:3433-1 |
| SLE HPC 15 SP2 | quagga | 1.1.1-150000.4.6.1 | SUSE-SU-2024:3433-1 |
| SUSE Manager Server 4.3 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SUSE Manager Server 4.3 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| SUSE Manager Proxy 4.3 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SUSE Manager Proxy 4.3 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| SUSE Enterprise Storage 7.1 | frr | 7.4-150300.4.29.1 | SUSE-SU-2024:3090-1 |
| SUSE Enterprise Storage 7.1 | quagga | 1.1.1-150000.4.6.1 | SUSE-SU-2024:3433-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | frr | 10.0.1-2.1 | openSUSE-SU-2024:14286-1 |
| openSUSE Leap 15.6 | frr | 8.4-150500.4.26.1 | SUSE-SU-2024:4090-1, SUSE-SU-2024:3108-1 |
| openSUSE Leap 15.6 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
| openSUSE Leap 15.5 | frr | 8.4-150500.4.26.1 | SUSE-SU-2024:4090-1, SUSE-SU-2024:3108-1 |
| openSUSE Leap 15.5 | quagga | 1.1.1-150400.12.8.1 | SUSE-SU-2024:3478-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | frr | 9.1.1-2 | — |
| Azure Linux 2 (CBL-Mariner) | frr | 8.5.5-1 | — |
Advisories 13
- USN-7230-2 frr vulnerabilities Ubuntu Security Notices (USN) · Nov 6, 2026
- DLA-3865-1 frr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-7230-1 quagga vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-7016-1 frr vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-7017-1 quagga vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2024:3108-1 Security update for frr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3478-1 Security update for quagga SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4090-1 Security update for frr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3090-1 Security update for frr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3426-1 Security update for quagga SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14286-1 frr-10.0.1-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3433-1 Security update for quagga SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-1894 FRRouting Project FRRouting: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jan 27, 2025