CVE-2022-26126

frr: Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated...

CVE-2022-26126 is fixed in 4 products on 1 platform, first by frr 8.1-1ubuntu1, released March 3, 2022. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0108
65th percentile

Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to the use of strdup with a non-zero-terminated binary string in isis_nb_notifications.c.

Where it's fixed

ProductFixed inFixReleased
Linux
frr · Debian 12.15 (bookworm) 8.4.1-1 DEBIAN-CVE-2022-26126 Mar 3, 2022
frr · Debian 13.5 (trixie) 8.4.1-1 DEBIAN-CVE-2022-26126 Mar 3, 2022
frr · Debian 14 8.4.1-1 DEBIAN-CVE-2022-26126 Mar 3, 2022
frr · Ubuntu 20.04 LTS (focal) 7.2.1-1ubuntu0.2+esm2 frr 7.2.1-1ubuntu0.2+esm2 Apr 7, 2024
frr · Ubuntu 22.04.1 LTS (jammy) 8.1-1ubuntu1 frr 8.1-1ubuntu1 Mar 3, 2022
frr · Ubuntu 24.10 (oracular) 8.1-1ubuntu1 frr 8.1-1ubuntu1 Jan 16, 2026
frr · Ubuntu 25.04 (plucky) 8.1-1ubuntu1 frr 8.1-1ubuntu1 Jan 16, 2026
frr-pythontools · Ubuntu 20.04 LTS (focal) 7.2.1-1ubuntu0.2+esm2 frr-pythontools 7.2.1-1ubuntu0.2+esm2 Apr 7, 2024
frr-pythontools · Ubuntu 22.04.1 LTS (jammy) 8.1-1ubuntu1 frr-pythontools 8.1-1ubuntu1 Mar 3, 2022
frr-pythontools · Ubuntu 24.10 (oracular) 8.1-1ubuntu1 frr-pythontools 8.1-1ubuntu1 Jan 16, 2026
frr-pythontools · Ubuntu 25.04 (plucky) 8.1-1ubuntu1 frr-pythontools 8.1-1ubuntu1 Jan 16, 2026
frr-rpki-rtrlib · Ubuntu 20.04 LTS (focal) 7.2.1-1ubuntu0.2+esm2 frr-rpki-rtrlib 7.2.1-1ubuntu0.2+esm2 Apr 7, 2024
frr-rpki-rtrlib · Ubuntu 22.04.1 LTS (jammy) 8.1-1ubuntu1 frr-rpki-rtrlib 8.1-1ubuntu1 Mar 3, 2022
frr-rpki-rtrlib · Ubuntu 24.10 (oracular) 8.1-1ubuntu1 frr-rpki-rtrlib 8.1-1ubuntu1 Jan 16, 2026
frr-rpki-rtrlib · Ubuntu 25.04 (plucky) 8.1-1ubuntu1 frr-rpki-rtrlib 8.1-1ubuntu1 Jan 16, 2026
frr-snmp · Ubuntu 20.04 LTS (focal) 7.2.1-1ubuntu0.2+esm2 frr-snmp 7.2.1-1ubuntu0.2+esm2 Apr 7, 2024
frr-snmp · Ubuntu 22.04.1 LTS (jammy) 8.1-1ubuntu1 frr-snmp 8.1-1ubuntu1 Mar 3, 2022
frr-snmp · Ubuntu 24.10 (oracular) 8.1-1ubuntu1 frr-snmp 8.1-1ubuntu1 Jan 16, 2026
frr-snmp · Ubuntu 25.04 (plucky) 8.1-1ubuntu1 frr-snmp 8.1-1ubuntu1 Jan 16, 2026

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.