CVE-2026-54874
Description
Issue summary: Receiving a DTLS record for a future epoch while a handshake is in progress causes OpenSSL to buffer far more memory than the record itself requires. Impact summary: A peer can use a small amount of network traffic to make an OpenSSL DTLS endpoint retain a disproportionately large amount of memory, which may lead to a Denial of Service. CWE: CWE-405: Asymmetric Resource Consumptio…
Description from NVD (National Vulnerability Database).
- Product
- OpenSSL
- Severity
- CVSS 7.5 · HIGH
- Published
- Source
- NVD (National Vulnerability Database) · View on NVD
Severity is the CVSS score; the real impact depends on the version and configuration you run. Always check affected versions and fixes in the original advisory.