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CVE

CVE-2026-35406

netavark has incorrect error handling for malformed tcp packets
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CVE

CVE-2026-35406

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

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
6.2
-
3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j, https://nvd.nist.gov/vuln/detail/CVE-2026-35406, https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1, https://github.com/containers/aardvark-dns, https://github.com/containers/aardvark-dns/releases/tag/v1.17.1

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0.00014%
EPSS Percentile
0.02583%
Introduced Version
1.16.0
Fix Available
1.17.1

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