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Fencer Vulns
high 7.5

CVE-2023-46565 json

Buffer Overflow vulnerability in osrg gobgp

published 2024-04-29 2 y ago modified 2026-08-07 3 mo ago also EUVD-2024-1131 , GHSA-6rqv-5cg7-m4x3 , GO-2024-3124

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Buffer Overflow vulnerability in osrg gobgp commit 419c50dfac578daa4d11256904d0dc182f1a9b22 allows a remote attacker to cause a denial of service via the handlingError function in pkg/server/fsm.go.

Patch / fix

  • go github.com/osrg/gobgp/v3 3.20.0
  • osrg gobgp 3.20.0
  • gobgp Debian 14 4.3.0-1

debian advisories DEBIAN-CVE-2023-46565

  • gobgp Ubuntu Pro 20.04 LTS 2.12.0-1ubuntu0.1~esm2
  • gobgp Ubuntu Pro 22.04 LTS 2.25.0-3ubuntu0.1+esm2

ubuntu advisories UBUNTU-CVE-2023-46565

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

  • lxd openSUSE Leap 16.0 5.21.6-bp160.1.1
  • lxd openSUSE Tumbleweed 5.21.1-2.1

opensuse advisories openSUSE-SU-2026:21788-1openSUSE-SU-2024:14564-1

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-2023-46565 updated cvss 5.3

gobgp: buffer overflow via handlingError() function in pkg/server/fsm.go

  • Red Hat OpenShift Container Platform 4 openshift-tech-preview/metallb-rhel8
    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 SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/osrg/gobgp/v3
<=3.20.0
<3.20.0
3.20.0

Affected products

  • osrg gobgp

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns 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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.