CVE-2026-28532

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

FRRouting before 10.5.3 contains an integer overflow vulnerability in seven OSPF Traffic Engineering and Segment Routing TLV parser functions where a uint16_t accumulator variable truncates uint32_t values returned by the TLV_SIZE() macro, causing the loop termination condition to fail while pointer advancement continues unchecked. Attackers with an established OSPF adjacency can send a crafted LS Update packet with a malicious Type 10 or Type 11 Opaque LSA to trigger out-of-bounds memory reads and crash all affected routers in the OSPF area or autonomous system.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Apr 30, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-28532: Medium severity, CVSS 6.5 | Vulnix