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TI-2026-36436 Aliases CVE-2026-49235GHSA-5qf9-cf9c-hjc6

Routinator crashes on specifically crafted RRDP XML files

Priority MEDIUM 44CWE-755Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00368 30th percentileScored 2026-11-07
Fix Fixed Routinator (NLnet Labs): 0.15.2routinator (crates.io): 0.15.2

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 LabsRoutinator—0.15.2Patch availableCNA
—routinator (crates.io)before 0.15.20.15.2Patch availableGHSA-5qf9-cf9c-hjc6
  • Routinator VendorNLnet Labs Affected — Fixed in 0.15.2 Patch available CNA
  • routinator (crates.io) Vendor— Affected before 0.15.2 Fixed in 0.15.2 Patch available GHSA-5qf9-cf9c-hjc6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*before 0.15.2VulnerableNLNETLABS
  • cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:* Versions before 0.15.2 Vulnerable ·NLNETLABS

Remediation

  • Fix · CNA Routinator (NLnet Labs) Fixed in 0.15.2
  • Fix · GHSA-5qf9-cf9c-hjc6 routinator (crates.io) Fixed in 0.15.2 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-49235
  2. 2026-10-03 Alias added: GHSA-5qf9-cf9c-hjc6

References

Advisory 2

Other 2

  • 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-2026-36433 Routinator exits when accepting an incoming HTTP or RTR connection fails CVSS 4.0HIGH 8.7
  • TI-2026-10532 Denial of DNS over TLS service by any DoT client 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