CVE-2024-31951 Memory corruption in n/a

What is CVE-2024-31951?

CVE-2024-31951 is a medium-severity memory corruption vulnerability in n/a, published on 7 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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).

Weakness: CWE-120

Which versions are affected by CVE-2024-31951?

It affects 1 product.

Products include Frrouting Frrouting.

How do I fix CVE-2024-31951?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-31951 being exploited?

There is no known exploitation of CVE-2024-31951 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2024-44070 Denial of service in n/a Critical 9.8
• CVE-2023-38406 bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow." Critical 9.8
• CVE-2022-37035 Use after free in n/a High 8.1
• CVE-2022-26127 Memory corruption in FRRouting High 7.8
• CVE-2022-26128 Memory corruption in FRRouting High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-39815, DEBIAN-CVE-2024-31951, GHSA-h4c3-x7vv-8q28, UBUNTU-CVE-2024-31951.