What is CVE-2024-31951?

CVE-2024-31951 is a medium-severity vulnerability in Frrouting, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2024-04-07.

How severe is CVE-2024-31951?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Frrouting

CVE-2024-31951

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).

Vulnerability class: Buffer Overflow

EPSS: 0.005 (42.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Frrouting
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Issue Tracking)
cve@mitre.org (Patch)

Frequently asked questions

What is CVE-2024-31951?: CVE-2024-31951 is a medium-severity vulnerability in Frrouting, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2024-04-07.
How severe is CVE-2024-31951?: Medium severity. CVSS v3 base score is 6.5 out of 10.