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Vulnerability · Published Mar 3, 2022 · Assigned by redhat

CVE-2022-26126

High 7.8

In plain English

A high-severity memory corruption in FRRouting. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.1%top 34.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20frr8.2.1-r0ALPINE-CVE-2022-26126
Alpine:v3.21frr8.2.1-r0ALPINE-CVE-2022-26126
Alpine:v3.22frr8.2.1-r0ALPINE-CVE-2022-26126
Alpine:v3.23frr8.2.1-r0ALPINE-CVE-2022-26126
Alpine:v3.24frr8.2.1-r0ALPINE-CVE-2022-26126
Debian:12frr8.4.1-1DEBIAN-CVE-2022-26126
Debian:13frr8.4.1-1DEBIAN-CVE-2022-26126
Debian:14frr8.4.1-1DEBIAN-CVE-2022-26126
Ubuntu:22.04:LTSfrr8.1-1ubuntu1UBUNTU-CVE-2022-26126

Affected products (as reported)

VendorProductVersions
n/a FRRouting through 8.1.0

Weakness: CWE-119

References