Findings

CVE-2026-3119

Under certain conditions, may crash when processing a correctly signed query containing a TKEY record.

Published Mar 25, 2026 · updated Jun 17, 2026 · isc bind

Under certain conditions, may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the configuration. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 25, 2026 · NIST NVD

    Detected

    Under certain conditions, may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the configuration. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Under certain conditions, may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the configuration. This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1. BIND 9 versions 9.18.0 through 9.18.

Affected

  • cpe isc/bindversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-3119

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-3119

    Under certain conditions, may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the configuration. This issue affect

    nvd.nist.gov

References

CVE-2026-3119 · ZeroDay Findings