The oss-sec feed presents an OpenSSL security notice published on September 29, 2026. It describes CVE-2026-84782, classified as high severity, in DTLS retransmission logic.
According to the summary, the issue occurs when writing a handshake message is suspended partway through. During retransmission, the message may be read beyond the expected boundary because of a stale buffer offset. The supplied text ends before detailing the scope or effects.
To assess exposure, consult the original notice in the oss-sec feed and confirm details directly in the official OpenSSL publication. In particular, check which versions are affected, which versions fix the issue, and whether mitigations are recommended; these details are absent from the available excerpt.
Compare the stated versions with the inventory of systems using OpenSSL and DTLS, and follow official guidance before updating or applying a mitigation. If you use AI to summarize the notice or analyze internal data, remove or replace personal data under your organization’s policy and do not include operational secrets.