Medium severity6.5NVD Advisory· Published Apr 7, 2024· Updated Jun 17, 2026

CVE-2024-31951

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Frrouting/Frroutingcpe-rescue
Frrouting/Frrllm-fuzzy
Range: <=9.1
osv-coords5 versions
pkg:rpm/opensuse/frr&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/frr&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/frr&distro=openSUSE%20Tumbleweed pkg:rpm/suse/frr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5 pkg:rpm/suse/frr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6
< 8.4-150500.4.23.1+ 4 more
- (no CPE)range: < 8.4-150500.4.23.1
- (no CPE)range: < 8.4-150500.4.23.1
- (no CPE)range: < 8.4-12.1
- (no CPE)range: < 8.4-150500.4.23.1
- (no CPE)range: < 8.4-150500.4.23.1

Patches

Vulnerability mechanics

References

github.com/FRRouting/frr/pull/15674/commits/344fb4be2bc27316c74b17003c05ea40be395836nvdPatch
github.com/FRRouting/frr/pull/15674/nvdIssue Tracking

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000