CVE-2026-16651 - temporalio/sqlparser malformed MySQL version comments can cause a panic

CVE-2026-16651 - temporalio/sqlparser malformed MySQL version comments can cause a panic

https://cvefeed.io/rssfeed/latest.atom / Mon, 09/21/2026 - 16:33
CVE ID :CVE-2026-16651
Published : Sept. 21, 2026, 12:17 p.m. | 52 minutes ago
Description :temporalio/sqlparser can panic when Parse, ParseStrictDDL, or ParseNext processes a MySQL version comment whose contents are empty or consist only of one to five decimal digits. ExtractMysqlComment does not check the -1 result returned by strings.IndexFunc before using it as a slice boundary. The resulting Go runtime panic propagates unless the caller recovers it on the parsing goroutine, so applications that parse attacker-controlled SQL can terminate. Temporal Server exposes the affected parser through ListWorkers. When that API is enabled, an authenticated caller with namespace read permission can submit a malformed query that terminates the receiving Matching process. Repeated requests can sustain a denial of service. The issue affects availability only; no confidentiality or integrity impact was identified.
Severity: 8.7 | HIGH
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