RUSTSEC-2026-0338: Remote peer can panic quinn-proto with zero-length STREAM frames during unordered reads
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调研方向
Start by checking whether the project resolves quinn-proto at all, for example with cargo tree -i quinn-proto run against Cargo.lock. If it does, bump it to >=0.11.18 with cargo update -p quinn-proto and check that the build and tests still pass. Done means the lockfile resolves to a patched version and nothing in the tree still uses 0.11.17.
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描述
Remote peer can panic quinn-proto with zero-length STREAM frames during unordered reads
| Details | |
|---|---|
| Package | quinn-proto |
| Version | 0.11.17 |
| URL | https://github.com/quinn-rs/quinn/pull/2868 |
| Date | 2026-09-14 |
| Patched versions | >=0.11.18 |
| Unaffected versions | <0.7.0 |
When a stream is read in unordered mode (for example through RecvStream::read(false) in
quinn-proto or read_unordered in quinn), quinn-proto proactively deduplicates received data
by recording received ranges in a RangeSet through its replace method. When an incoming
STREAM frame carried an empty payload, the Drop implementation of the iterator returned by
replace inserted an empty range into the set, violating the invariant that stored ranges are
non-empty. Subsequent frames overlapping that region then caused a panic while processing the
stream.
A remote peer can trigger this with five small STREAM frames (two of them zero-length) once the
application has put the stream in unordered-read mode. The default ordered read path is not
affected.
The flaw was corrected in 0.11.18 by ignoring empty ranges in RangeSet::replace.
Thanks to Otto Hermann (@ojhermann) for reporting this issue.
See advisory page for additional details.
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