CVE-2026-91096
N/A
N/A
Summary
In proxygen from v2024.10.28.00 until v2026.09.28.00, WebTransportImpl::terminateSessionStreams (WebTransportImpl::destroy in releases before v2025.08.18.00) failed to unregister read callbacks for streams that were no longer open before destroying them. The transport could then invoke a read callback that had been freed.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| proxygen | v2024.10.28.00 < v2026.09.28.00 | affected |
Weaknesses
- Use After Free (CWE-416)
References
- https://www.facebook.com/security/advisories/cve-2026-91096
- https://github.com/facebook/proxygen/commit/479eb5574195764e80e6cedebef669f6baa85083
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