PT-2026-36526 · Frrouting · Frrouting

Jiahao Lei · Published 2026-05-01 · Updated 2026-06-03 · CVE-2026-37457

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions FRRouting version stable/10.0

Description An off-by-one out-of-bounds write issue exists in the bgp flowspec op decode() function located in bgpd/bgp flowspec util.c. This flaw allows attackers to trigger a Denial of Service (DoS) by providing a specially crafted FlowSpec component.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-37457

OPENSUSE-SU-2026:10721-1

Affected Products

Frrouting

References · 16

• https://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c · Patch
• https://ubuntu.com/security/CVE-2026-37457 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-37457 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-37457 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-37457 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-37457 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-37457 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10721-1 · Vendor Advisory
• https://suse.com/security/cve/CVE-2026-28532 · Note
• https://suse.com/security/cve/CVE-2026-37458 · Note
• https://t.me/CVEtracker/52452 · Telegram Post
• https://twitter.com/dailycve/status/2060367480862785758 · Twitter Post
• https://twitter.com/windowsforum/status/2062075366852677956 · Twitter Post
• https://suse.com/security/cve/CVE-2026-37459 · Note
• https://suse.com/security/cve/CVE-2026-37457 · Note