Vulnerability · Published Apr 7, 2024 · Assigned by mitre
CVE-2024-31951
Medium 6.5
In plain English
A medium-severity buffer overflow in the frr package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 54.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | frr | 8.4.4-1.1~deb12u2 | DEBIAN-CVE-2024-31951 |
| Debian:13 | frr | 10.3-3+deb13u1 | DEBIAN-CVE-2024-31951 |
| Debian:14 | frr | 10.0.1-0.1 | DEBIAN-CVE-2024-31951 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.10 | USN-6794-1 |
| Ubuntu:22.04:LTS | frr | 8.1-1ubuntu1.10 | UBUNTU-CVE-2024-31951 |
| Ubuntu:24.04:LTS | frr | 8.4.4-1.1ubuntu6.1 | USN-6794-1 |
| Ubuntu:24.04:LTS | frr | 8.4.4-1.1ubuntu6.1 | UBUNTU-CVE-2024-31951 |
Affected products (as reported)
Weakness: CWE-120 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H