SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5378

Arbitrary data from the bgpd process may be sent over the network to a peer and/or bgpd may crash.

MEDIUM 5.9EPSS 74.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 74.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

The Quagga BGP daemon (bgpd) prior to version 1.2.3 does not properly bounds check the data sent with a NOTIFY to a peer, if an attribute length is invalid. Arbitrary data from the bgpd process may be sent over the network to a peer and/or bgpd may crash.

CVSS 3.0
5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
EPSS
74.20% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
quagga/quagga · debian/debian linux · canonical/ubuntu linux
Source
cret@cert.org
EPSS trend
0%38%75%21 September 2026: 71.37%22 September 2026: 74.20%27 October 2026: 74.20%21 September 202627 October 2026

EPSS moved from 71.4% on 21 September 2026 to 74.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.