Description
Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the input packet length in isisd/isis_tlvs.c.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | FRRouting | through 8.1.0 | — |
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 | 8.4.1-1 | — |
| Debian 13 | frr | 8.4.1-1 | — |
| Debian 12 | frr | 8.4.1-1 | — |
| Debian 11 | frr | 7.5.1-1.1+deb11u3 | DLA-3865-1 |
| Debian 10 | frr | 7.5.1-1.1+deb10u2 | DLA-3797-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | frr | 8.1-1ubuntu1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | frr | 8.2.2-4.el9 | RHSA-2022:8112 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | frr | 8.2.2-4.el9 | ALSA-2022:8112 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | frr | 8.2.2-4.el9 | RLSA-2022:8112 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | frr | 7.4-150300.4.3.1 | SUSE-SU-2022:0901-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | frr | 8.1-3.1 | openSUSE-SU-2024:11880-1 |
| openSUSE Leap 15.3 | frr | 7.4-150300.4.3.1 | openSUSE-SU-2022:0901-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | frr | 8.2.1-r0 | — |
| Alpine v3.23 | frr | 8.2.1-r0 | — |
| Alpine v3.22 | frr | 8.2.1-r0 | — |
| Alpine v3.21 | frr | 8.2.1-r0 | — |
| Alpine v3.20 | frr | 8.2.1-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | frr | 8.2.1-r0 | — |
| Alpine v3.18 | frr | 8.2.1-r0 | — |
| Alpine v3.17 | frr | 8.2.1-r0 | — |
| Alpine v3.16 | frr | 8.2.1-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | frr | 8.2.2-4.el9 | ELSA-2022-8112 |
Advisories 10
- ALSA-2022:8112 Moderate: frr security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- DLA-3865-1 frr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3797-1 frr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:8112 Moderate: frr security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2024:11880-1 frr-8.1-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0901-1 Security update for frr SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2022:8112 Red Hat Security Advisory: frr security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- SUSE-SU-2022:0901-1 Security update for frr SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2022-2052 Mehrere Red Hat Enterprise Linux Pakete: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 29, 2025
- ELSA-2022-8112 Moderate: frr security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022