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6.5 Medium

CVE-2026-3119 Under certain conditions, `named` may crash when processing a correctly signed query containing a TKEY record

Description

Under certain conditions, `named` 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 `named` 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.

Affected products and versions

Product Affected versions Fixed in
BIND 9 9.21 9.21.0 → 9.21.19 No fix stated
BIND 9 9.20 9.20.0 → 9.20.20 No fix stated
BIND 9 9.18 earliest → < 9.18.0 9.18.0

References

Timeline

  1. Published
  2. Last modified

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