CVE-2024-31951
highpriority · track · 0EPSS 0.005 · 45 %ileDEEURUUSEPSS · scored 2026-10-26
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).
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–8.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (13)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-0806FRRouting Project FRRouting: Schwachstellen ermöglichen Denial of ServiceDeutsch2024-04-07csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in FRRouting Project FRRouting ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2024-31951cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-31951/cnnvd
- https://github.com/FRRouting/frr/pull/15674/cnnvd
- https://github.com/FRRouting/frr/pull/15674/commits/344fb4be2bc27316c74b17003c05ea40be395836cnnvd
- https://vigilance.fr/vulnerability/FRRouting-buffer-overflow-via-ospf-te-parse-ext-link-44408cnnvd
- https://github.com/FRRouting/frr/pull/15674/enisa_euvd
- https://github.com/FRRouting/frr/pull/15674/commits/344fb4be2bc27316c74b17003c05ea40be395836enisa_euvd
- https://github.com/FRRouting/frr/pull/15674/Issue Trackingnvd
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