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TI-2023-20814 Aliases CVE-2023-39915GHSA-xhpp-8gq6-3hf5

Crashes on parsing certain invalid RPKI objects

Priority MEDIUM 40CWE-232Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

NLnet Labs' Routinator up to and including version 0.12.1 may crash when trying to parse certain malformed RPKI objects. This is due to insufficient input checking in the bcder library covered by CVE-2023-39914.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00624 50th percentileScored 2026-11-07
Fix Fixed Routinator (NLnet Labs): 0.12.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
NLnet LabsRoutinatorbefore 0.12.20.12.2Patch availableCNA
  • Routinator VendorNLnet Labs Affected before 0.12.2 Fixed in 0.12.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*before 0.12.2VulnerableNLNETLABS
  • cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:* Versions before 0.12.2 Vulnerable ·NLNETLABS

Remediation

  • Fix · CNA Routinator (NLnet Labs) Fixed in 0.12.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    NLnet Labs Routinator 0.12.2

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2023-20815 Possible path traversal when storing RRDP responsesPriority MEDIUM 41
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39915
  2. 2026-10-03 Alias added: GHSA-xhpp-8gq6-3hf5
  3. 2026-11-04 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2026-25690 Possible arbitrary code execution during DNSSEC validation CVSS 4.0CRITICAL 9.1
  • TI-2026-56302 Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY CVSS 4.0CRITICAL 9.1
  • TI-2026-31146 Crash during DNSSEC validation of malicious content CVSS 4.0HIGH 8.7
  • TI-2026-31135 Heap overflow with multiple NSID, COOKIE, PADDING EDNS options CVSS 4.0HIGH 8.7
  • TI-2026-36436 Routinator crashes on specifically crafted RRDP XML files CVSS 4.0HIGH 8.7
  • TI-2026-36433 Routinator exits when accepting an incoming HTTP or RTR connection fails CVSS 4.0HIGH 8.7
See all 96 →

Sources

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