CVE-2026-84895

Published: Sep 28, 2026Modified: Sep 28, 2026Deferred

Description

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.

References (2)

https://github.com/facebook/proxygen/commit/479eb5574195764e80e6cedebef669f6baa85083

Source: cve-assign@fb.com

https://www.facebook.com/security/advisories/cve-2026-84895

Source: cve-assign@fb.com

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