Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-28532

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.4%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-28532


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