Description
In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).
References (2)
Core 2
Core References
Issue Tracking
https://github.com/FRRouting/frr/pull/15674/
Scores
CVSS v3
6.5
EPSS
0.0009
EPSS Percentile
24.9%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
frrouting/frrouting
< 9.1
Published
Apr 07, 2024
Tracked Since
Feb 18, 2026