CVE catalog

CVE-2022-26126

frr: CVE-2022-26126

Severity: High · CVSS 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published: Mar 3, 2022, 6:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.08% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	frr	sid	`10.7.1-6`	fixed
Debian	frr	forky	`10.7.1-6`	fixed
Debian	frr	trixie	`10.3-3+deb13u1`	fixed
Debian	frr	trixie-security	`10.3-3+deb13u1`	fixed
Debian	frr	bookworm	`8.4.4-1.1~deb12u2`	fixed
Debian	frr	bookworm-security	`8.4.4-1.1~deb12u2`	fixed
Ubuntu	frr	pro	`6.0.2-2build2`	vulnerable
Ubuntu	frr	pro	`7.2-1ubuntu1`	vulnerable
Ubuntu	frr	pro	`7.2-1ubuntu2`	vulnerable
Ubuntu	frr	pro	`7.2.1-1`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.1`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.2`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.2+esm1`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.2+esm2`	fixed
Ubuntu	frr	pro	`6.0.2-2build2`	vulnerable
Ubuntu	frr	pro	`7.2-1ubuntu1`	vulnerable
Ubuntu	frr	pro	`7.2-1ubuntu2`	vulnerable
Ubuntu	frr	pro	`7.2.1-1`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.1`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.2`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.2+esm1`	vulnerable
Ubuntu	frr	pro	`7.2.1-1ubuntu0.2+esm2`	fixed
Ubuntu	frr	22.04	`7.5.1-1.1`	vulnerable
Ubuntu	frr	22.04	`8.1-1`	vulnerable
Ubuntu	frr	22.04	`8.1-1ubuntu1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	frr	source	sid	`8.4.1-1`	not yet assigned	Not reported	[1008010]
Debian	frr	source	forky	`8.4.1-1`	not yet assigned	Not reported	[1008010]
Debian	frr	source	trixie	`8.4.1-1`	not yet assigned	Not reported	[1008010]
Debian	frr	source	bookworm	`8.4.1-1`	not yet assigned	Not reported	[1008010]
Ubuntu	frr	deb	pro	`7.2.1-1ubuntu0.2+esm2`	Not reported	USN-6807-1	Not reported
Ubuntu	frr	deb	pro	`7.2.1-1ubuntu0.2+esm2`	Not reported	UBUNTU-CVE-2022-26126	Not reported
Ubuntu	frr	deb	22.04	`8.1-1ubuntu1`	Not reported	UBUNTU-CVE-2022-26126	Not reported

[Debian bug #1008010]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[frr]Unknown
Details (4)
- 8.4.4-1.1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
[frr-doc]Unknown
Source package: [frr]
Details (4)
- 8.4.4-1.1~deb12u2 · all · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · all · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
[frr-pythontools]Unknown
Source package: [frr]
Details (4)
- 8.4.4-1.1~deb12u2 · all · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · all · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · all · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
[frr-rpki-rtrlib]Unknown
Source package: [frr]
Details (4)
- 8.4.4-1.1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
[frr-snmp]Unknown
Source package: [frr]
Details (4)
- 8.4.4-1.1~deb12u2 · amd64 · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · arm64 · bookworm
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · amd64 · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm
- 8.4.4-1.1~deb12u2 · arm64 · bookworm-security
  Fixed · Fixed: 8.4.1-1
  dsa · frr · debian · bookworm

Observed: Oct 23, 2026, 6:25:06 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]