THREAT OPS › Threat News › [NVD] CVE-2026-5260 (HIGH 8.2) — 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
[NVD] CVE-2026-5260 (HIGH 8.2) — 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
CVE-2026-5260 CVSS: 8.2 HIGH Published: 2026-05-26T22:16:44.170
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.
Indicators of compromise
- CVE-2026-5260cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-5260