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Fencer Vulns
critical 9.8

CVE-2024-44070 json

An issue was discovered in FRRouting (FRR) through 10.1.

published 2024-08-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-40848

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

An issue was discovered in FRRouting (FRR) through 10.1. bgp_attr_encap in bgpd/bgp_attr.c does not check the actual remaining stream length before taking the TLV value.

Patch / fix

  • frr Debian 14, Debian 13 10.1-0.2

debian advisories DEBIAN-CVE-2024-44070

  • frr Ubuntu 22.04 LTS 8.1-1ubuntu1.11
  • frr Ubuntu 24.04 LTS 8.4.4-1.1ubuntu6.2
  • quagga Ubuntu 20.04 LTS 1.2.4-4ubuntu0.5
  • frr Ubuntu Pro 20.04 LTS 7.2.1-1ubuntu0.2+esm3
  • quagga Ubuntu Pro 18.04 LTS 1.2.4-1ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2024-44070

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

  • frr SLE Module for Server Applications 15 SP6, SLE Module for Server Applications 15 SP5, openSUSE Leap 15.6 +1 more 8.5.6-150500.4.30.1
  • quagga SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE Module for Server Applications 15 SP6 +7 more 1.1.1-150400.12.8.1
  • quagga SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +4 more 1.1.1-150000.4.6.1
  • quagga SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.1.1-17.13.1
  • frr SLE Module for Server Applications 15 SP6, SLE Module for Server Applications 15 SP5, openSUSE Leap 15.6 +1 more 8.4-150500.4.26.1
  • frr SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES 15 SP4-LTSS +7 more 7.4-150300.4.29.1

suse advisories SUSE-SU-2024:4090-1SUSE-SU-2024:3478-1SUSE-SU-2024:3433-1SUSE-SU-2024:3426-1SUSE-SU-2024:3108-1SUSE-SU-2024:3090-1

  • frr openSUSE Tumbleweed 10.0.1-2.1

opensuse advisories openSUSE-SU-2024:14286-1

  • frr CBL-Mariner 2.0 8.5.5-1
  • frr Azure Linux 3.0 9.1.1-2

azure linux advisories AZL-47862AZL-47868

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2024-44070 updated cvss 7.5

frr: improper input validation in bgp_attr_encap() in bgpd/bgp_attr.c

  • Red Hat Enterprise Linux 8 frr, frr-contrib, frr-selinux Red Hat Enterprise Linux 9 frr, frr-selinux
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux 10 frr
    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
total
Assessed
2 y ago

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 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 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • frrouting frrouting

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.