CVE-2026-5260: Buffer Over-read
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.
CVE-2026-5260: Buffer Over-read
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 v3.1
Score 8.2high
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-6hj5-4cv5-f46x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-5260"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a6151299c2644c7f8da681b
Added to database: 07/22/2026, 23:24:25 UTC
Last enriched: 08/21/2026, 14:54:20 UTC
Last updated: 09/10/2026, 19:36:55 UTC
Views: 109
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