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OpenSSL has released security updates for a high-severity vulnerability that could expose heap memory as plaintext during Datagram Transport Layer Security (DTLS) handshakes.
Summary
Tracked as CVE-2026-84782, the flaw stems from an out-of-bounds read in DTLS handshake retransmission logic and can also crash an affected process, creating a denial-of-service condition.
This is a brief wire summary — the full story (linked below) has the complete details.
KazaSec's take
Incidents like this rarely start with the headline event itself — they usually trace back to an exposed remote-access endpoint, an unpatched perimeter system, or a credential phished weeks earlier. The organizations that recover fastest are the ones that tested their defenses and their incident response plan before they needed them.
Coverage details
We've archived 105 other articles touching the same topic (vulnerability news, vulnerability, cyber security) — see the full security news archive.
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