CVE-2026-5260

Discovered by AISLEPUBLISHEDCWE-1284

Description

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.

CVSS Base Scores

CVSS v3.1(Primary)
8.2

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected Products

VendorProductVersionStatus
Red HatGnuTLS0:3.6.16-8.el8_10.6unaffected

Credits

  • Red Hat would like to thank Joshua Rogers (AISLE Research Team) for reporting this issue.

References