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TI-2023-25236 Aliases CVE-2023-46753GHSA-33fq-cj88-4v27

An issue was discovered in FRRouting FRR through 9.0.1.

Priority LOW 28CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-863.

Summary

An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur for a crafted BGP UPDATE message without mandatory attributes, e.g., one with only an unknown transit attribute.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00943 61st percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*up to 9.0.1VulnerableFRRouting
  • cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:* Versions up to 9.0.1 Vulnerable ·FRRouting

Remediation

Red Hat 2 advisories

  • RHSA-2024:2981 Released 2024-05-22 · Red Hat rating Moderate
    frr security update
    • Red Hat Enterprise Linux AppStream (v. 8) frr-7.5.1-22.el8, frr-selinux-7.5.1-22.el8
  • RHSA-2024:2156 Released 2024-04-30 · Red Hat rating Moderate
    frr security update
    • Red Hat Enterprise Linux AppStream (v. 9) frr-8.5.3-4.el9, frr-selinux-8.5.3-4.el9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:2981
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:2156

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-46753
  2. 2026-10-03 Alias added: GHSA-33fq-cj88-4v27

References

Patch 1

Other 1

  • TI-2023-20107 FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause… CVSS 3.1HIGH 7.5
  • TI-2023-21958 An issue was discovered in FRRouting FRR 9.0. CVSS 3.1CRITICAL 9.8
  • TI-2024-29658 An issue was discovered in FRRouting (FRR) through 10.1. CVSS 3.1CRITICAL 9.8
  • TI-2023-21957 An issue was discovered in FRRouting FRR through 9.0. CVSS 3.1CRITICAL 9.1
  • TI-2023-19790 bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow." CVSS 3.1CRITICAL 9.8
  • TI-2022-17234 An out-of-bounds read in the BGP daemon of FRRouting FRR before 8.4 may lead to a… CVSS 3.1CRITICAL 9.1
See all 47 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences