VDB

CVE-2023-38406

CVE-2023-38406 PUBLISHED

Reported by mitre · Published November 6, 2023

bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
frroutingfrrouting8.4.3

Affected products

VendorProductVersions
n/an/an/a
n/an/a*

Timeline

  • Nov 5, 2023 CVE Published
  • Nov 6, 2023 EPSS Score (30 in total, the first dated here)
  • Mar 21, 2026 Distribution Patch (6 in total, the first dated here)
  • Mar 21, 2026 Security Advisory (9 in total, the first dated here)
  • Jun 17, 2026 CVE Updated
  • Aug 6, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2023-38406
vulnetix vdb fixes CVE-2023-38406

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2023-38406/fixes/registry"

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