CVE-2026-5260
8.2 HIGHA flaw was found in libgnutls
Published: 2026-05-26 · Last updated: 2026-06-02
Severity and scoring
- CVSS
- 8.2 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- CWE
- CWE-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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-5260
- [Other]https://access.redhat.com/errata/RHSA-2026:20611
- [Other]https://access.redhat.com/errata/RHSA-2026:20612
- [Other]https://access.redhat.com/errata/RHSA-2026:20613
- [Other]https://access.redhat.com/security/cve/CVE-2026-5260
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=2467450
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