CVE-2026-84895
N/A
N/A
Summary
In proxygen from v2026.04.06.00 until v2026.09.28.00, QuicWtSession::closeSession accesses its member fields after calling the base QuicWtSessionBase::closeSession method. The base method notifies the session handler, which may release the last reference to the session and destroy it.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| proxygen | v2026.04.06.00 < v2026.09.28.00 | affected |
Weaknesses
- Use After Free (CWE-416)
References
- https://www.facebook.com/security/advisories/cve-2026-84895
- https://github.com/facebook/proxygen/commit/479eb5574195764e80e6cedebef669f6baa85083
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