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Fencer Intel
high 7.5

CVE-2018-5379 in the critical feed json

The Quagga BGP daemon (bgpd) prior to version 1.2.3 can double-free memory when processing certain forms of UPDATE message, containing clus…

published 8y ago modified 4mo ago also EUVD-2018-17151

cvss
7.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
38.5%
EPSS 38.5% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Patch / fix

  • Quagga bgpd 1.2.3
  • quagga Ubuntu 14.04 LTS 0.99.22.4-3ubuntu1.5
  • quagga Ubuntu 16.04 LTS 0.99.24.1-2ubuntu1.4

ubuntu advisories UBUNTU-CVE-2018-5379

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • quagga RHEL 7 0.99.22.4-5.el7_4
  • quagga-contrib RHEL 7 0.99.22.4-5.el7_4

red hat advisories RHSA-2018:0377

  • quagga SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.1.1-17.13.1
  • quagga SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 0.99.15-0.30.3.1
  • quagga SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +4 more 1.1.1-17.7.1
  • quagga SLES for SAP 12 SP1, SLES 12-LTSS, SLES 12 SP1-LTSS +1 more 0.99.22.1-16.4.1

suse advisories SUSE-SU-2024:3426-1SUSE-SU-2018:0457-1SUSE-SU-2018:0456-1SUSE-SU-2018:0455-1

  • quagga openSUSE Tumbleweed 1.2.4-2.14

opensuse advisories openSUSE-SU-2024:11290-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-5379 updated cvss 8.1

quagga: Double free vulnerability in bgpd when processing certain forms of UPDATE message allowing to crash or potentially execute arbitrary code

  • Red Hat Enterprise Linux 5 quagga Red Hat Enterprise Linux 6 quagga, quagga-contrib
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) quagga 0.99.22.4-5.el7_4 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) quagga-contrib 0.99.22.4-5.el7_4 Red Hat Enterprise Linux Server (v. 7) quagga 0.99.22.4-5.el7_4 Red Hat Enterprise Linux Server Optional (v. 7) quagga-contrib 0.99.22.4-5.el7_4 Red Hat Enterprise Linux Workstation (v. 7) quagga 0.99.22.4-5.el7_4 Red Hat Enterprise Linux Workstation Optional (v. 7) quagga-contrib 0.99.22.4-5.el7_4
    fixed: vendor fix RHSA-2018:0377
  • Red Hat Enterprise Linux 8 quagga, quagga-contrib
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-19-099-05 updated cvss 9.8

ICSA-19-099-05 Siemens RUGGEDCOM ROX II

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

38.45% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 7.5 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Quagga bgpd

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.