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RUSTSEC-2026-0178: Panic on a DataRow with fewer fields than columns allows denial of service #6

Description

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Panic on a DataRow with fewer fields than columns allows denial of service

Details
Package tokio-postgres
Version 0.7.17
URL rust-postgres/rust-postgres@7a00ffa
Date 2026-06-12
Patched versions >=0.7.18
Unaffected versions <0.4.0

A malicious or compromised server can send a row containing fewer fields than
its row description declares columns. Reading one of the missing columns then
panics with an out-of-bounds index, aborting the calling task. This affects even
the otherwise non-panicking try_get, and both Row and SimpleQueryRow.

Applications that connect only to a trusted database are not exposed; the risk
applies to clients that may connect to untrusted or user-supplied servers, or
whose connection can be intercepted by a man-in-the-middle.

See advisory page for additional details.

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