No exploitation reportedFix available

CVE-2018-5379

No exploitation reported by the sources we read.

Published2018-02-19
WeaknessCWE-415

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The Quagga BGP daemon (bgpd) prior to version 1.2.3 can double-free memory when processing certain forms of UPDATE message, containing cluster-list and/or unknown attributes. A successful attack could cause a denial of service or potentially allow an attacker to execute arbitrary code.

Timeline

dates in UTC

2018-02-1913:29CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-5379?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-5379?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
14.4	= 14.04	no fix published	NVD
16.4	= 16.04	no fix published	NVD
17.10	= 17.10	no fix published	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
7.0	= 7.0	no fix published	NVD
8.0	= 8.0	no fix published	NVD
9.0	= 9.0	no fix published	NVD

Redhat enterprise linux server eus

Branch	Affected	Fixed in	Source
7.4	= 7.4	no fix published	NVD
7.5	= 7.5	no fix published	NVD
7.6	= 7.6	no fix published	NVD

6 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-19-099-05 CISA1 known affected
ICSA-19-099-05 Siemens RUGGEDCOM ROX II
RUGGEDCOM ROX II

Full record on NVD

Fix

Vendor fix CISA ICSA-19-099-05 · 1 productUpdate to V2.13.0 - Download: The firmware updates for the RUGGEDCOM ROX-based devices can be obtained by contacting the RUGGEDCOM support team at: https://support.industry.siemens.com/my/WW/en/requests#createRequest
Mitigation from the vendor CISA ICSA-19-099-05 · 1 productSiemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Disable the BGP routing service if not in use in your setup.
Mitigation from the vendor CISA ICSA-19-099-05 · 1 productSiemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Configure BGP passwords to authenticate BGP neighbours.

Advisories and patches

gogs.quagga.netVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.07.5read 2026-10-23
NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-415read 2026-10-23
NVDweakness (CWE)CWE-415read 2026-10-23
FIRST EPSSEPSS score38.5 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2018-02-19
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-5379?

Is CVE-2018-5379 actively exploited?

Active exploitation of CVE-2018-5379 has not been confirmed. Its EPSS score was 38.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-5379?

CVE-2018-5379 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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