Improper Validation of Specified Quantity in Input Affecting gnutls28 package, versions <3.8.13-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.73% (50th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-GNUTLS28-16344324
  • published2 May 2026
  • disclosed26 May 2026

Introduced: 2 May 2026

CVE-2026-5260  (opens in a new tab)
CWE-1284  (opens in a new tab)

How to fix?

Upgrade Debian:unstable gnutls28 to version 3.8.13-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls28 package and not the gnutls28 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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

version 3.1