Hickory-dns from 0.20.1 before 0.26.2 contains a denial of service vulnerability in the hickory-proto SVCB and HTTPS record presentation format parser, which panics on malformed alpn values. Attackers can supply untrusted zone files with unbalanced quotes, consecutive commas, or invalid escapes in alpn parameters to crash parsing processes.
Metrics
Affected Vendors & Products
References
History
Mon, 09 Nov 2026 17:30:00 +0000
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Hickory-dns
Hickory-dns hickory-dns |
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Hickory-dns
Hickory-dns hickory-dns |
Sun, 08 Nov 2026 01:45:00 +0000
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| Description | Hickory-dns from 0.20.1 before 0.26.2 contains a denial of service vulnerability in the hickory-proto SVCB and HTTPS record presentation format parser, which panics on malformed alpn values. Attackers can supply untrusted zone files with unbalanced quotes, consecutive commas, or invalid escapes in alpn parameters to crash parsing processes. | |
| Title | Hickory-dns 0.20.1 before 0.26.2 Panic DoS via SVCB/HTTPS Zone Parser | |
| Weaknesses | CWE-1286 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-11-08T01:38:09.285Z
Updated: 2026-11-12T17:51:02.771Z
Reserved: 2026-11-06T00:53:14.313Z
Link: CVE-2026-123572
No data.
Status : Deferred
Published: 2026-11-08T02:16:50.140
Modified: 2026-11-12T18:17:20.640
Link: CVE-2026-123572
No data.