What is RHSA-2026:25049?

RHSA-2026:25049 is a security advisory published by Red Hat Product Security with Critical severity. Red Hat Security Advisory: samba security update

Which CVE IDs does RHSA-2026:25049 cover?

RHSA-2026:25049 covers the following CVE IDs: CVE-2026-3012, CVE-2026-4408, CVE-2026-4480, CVE-2026-40170, CVE-2026-1933, CVE-2026-2340. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:25049?

RHSA-2026:25049 has a CVSS v3 base score of 9.0, published by Red Hat Product Security.

RHSA-2026:25049CriticalCVSS 9.0

Red Hat Security Advisory: samba security update

Vendor

Red Hat Product Security

Published

June 10, 2026

Last Modified

June 30, 2026

🔗 CVE IDs covered (6)

CVE-2026-3012 →CVE-2026-4408 →CVE-2026-4480 →CVE-2026-40170 →CVE-2026-1933 →CVE-2026-2340 →

📋 Description

CVE-2026-1933 — samba: Missing access check on reparse point operations CVE-2026-2340 — samba: vfs_worm does not block directory modification CVE-2026-3012 — samba: group policy certificate enrollment uses http:// without validation CVE-2026-4408 — samba: Remote Code Execution in SAMR CVE-2026-4480 — samba: Samba: Remote Code Execution in printing subsystem via unescaped job description CVE-2026-40170 — ngtcp2: ngtcp2: Denial of service via stack buffer overflow during QUIC handshake

🔗 References (9)

selfhttps://access.redhat.com/errata/RHSA-2026:25049
externalhttps://access.redhat.com/security/updates/classification/#critical
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447317
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447318
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447319
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2452232
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2459061
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2479762
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_25049.json