netavark has incorrect error handling for malformed tcp packets
### Impact A truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. ### Patches https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1 ### Workarounds None ### Credits Thanks to @dkane01 for reporting this
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-35406US | high7.5 | — | ||
Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to ent… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/containers/aardvark-dnsPACKAGE
- https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1WEB
- https://github.com/containers/aardvark-dns/releases/tag/v1.17.1WEB
- https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986jWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-35406ADVISORY
scry
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