CVE-2026-42010

Public on 2026-05-02
Modified on 2026-05-02
Description
Servers configured with RSA-PSK wrongfully matched usernames with NUL character in them to ones truncated to NUL character, which could lead to an authentication bypass.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core gnutls Not Affected
Amazon Linux 2023 gnutls Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-42010 Mitre: CVE-2026-42010