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CVE-2018-5380

22
FAUCET Score

CVE-2018-5380 describes a low-severity vulnerability in the Quagga BGP daemon (bgpd) prior to version 1.2.3, affecting products from vendors like Canonical, Debian, Quagga, and Siemens. This flaw allows a remote, authenticated attacker to cause a denial of service by overrunning internal BGP code-to-string conversion tables. While the attack complexity is low, the potential impact is limited to availability, with no known exploits, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.2CPE matchmatch criteria
cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
15.11%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1511 is in the 99th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: quagga
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: quagga
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: quagga

Vendor Advisories (1)

redhatCVE-2018-5380Low

quagga: bgpd can overrun internal BGP code-to-string conversion tables potentially allowing crash

Feb 15, 2018

References

savannah.nongnu.org / forum/forum.php
Third Party Advisory
cert-portal.siemens.com / productcert/pdf/ssa-451142.pdf
Third Party Advisory
gogs.quagga.net / Quagga/quagga/src/master/doc/security/Quagga-2018-1550.txt
Vendor Advisory
lists.debian.org / debian-lts-announce/2018/02/msg00021.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/201804-17
Third Party Advisory
usn.ubuntu.com / 3573-1
Third Party Advisory
debian.org / security/2018/dsa-4115
Third Party Advisory
kb.cert.org / vuls/id/940439
Third Party AdvisoryUS Government Resource