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CVE-2026-5260

Gnutls: gnutls: information disclosure via heap overread in rsa key exchange

CVSS 3.1 8.2 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-5260

Published

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure.

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Affected versions, risk and source history

Related advisories and sources

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-5260 · CVE overview and exploitation status

cve-program · CVE-2026-5260

Related changes

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 12:11 UTC · 256 of 275 readable · 252 fully read · documentation 469/469 current

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