VULNERABILITY INTELLIGENCE

CVE-2023-3748

CVSS score3.5 LOW
EPSS probability0.78%
CISA KEVNot currently listed
Published2023-07-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Description

A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the unicast flag set, the interval field set to 0, or any TLV that contains a sub-TLV with the Mandatory flag set to enter an infinite loop and cause a denial of service.

Weakness classification

  • secalert@redhat.com: CWE-835
  • nvd@nist.gov: CWE-835

Primary references