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Vulnerability record · CVE-2022-26126 · published 3 March 2022

CVE-2022-26126: Frrouting memory buffer overflow vulnerability

Frrouting · Frrouting

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.

7.8 CVSS 3.1 High EPSS 1.1% · top 36.3% CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score, v2 6.8
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
11References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/FRRouting/frr/issues/10505 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MIEQNIWUSBQTFR65HM2LLIB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VTYSAL4QCE4XWMMBKUB7LSL
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XUCZR6RYQVZ35BFUV7OLIUE
https://github.com/FRRouting/frr/issues/10505 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MIEQNIWUSBQTFR65HM2LLIB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VTYSAL4QCE4XWMMBKUB7LSL
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XUCZR6RYQVZ35BFUV7OLIUE

Track CVE-2022-26126 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2022-26126), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.