CVE-2026-6949: samba

Published
AliasesUBUNTU-CVE-2026-6949DEBIAN-CVE-2026-6949
Published 28-07-2026Last modified 28-07-2026

Vulnerability summary

CVE-2026-6949 is a vulnerability in samba with no CVSS score yet.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 14
OPENSUSE-SU-2026:11431-1OPENSUSE-SU-2026:21475-1OPENSUSE-SU-2026:21540-1SUSE-SU-2026:22977-1SUSE-SU-2026:23003-1SUSE-SU-2026:23129-1

Timeline

  1. 28-07-2026
    PublishedVulnerability first disclosed.
  2. 28-07-2026
    Last modifiedVulnerability information updated.

Description

TSIG packet with name compression can crash DNS. Incorrect size calculations when a TSIG record contains compressed names can lead to a large out-of-bounds write causing the server to crash.

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Debian1 product
  • sambaAll versions (No fix recorded) | < 2:4.22.10+dfsg-0+deb13u2 | < 2:4.24.5+dfsg-1
Ubuntu1 product
  • sambaAll versions (No fix recorded) | < 2:4.15.13+dfsg-0ubuntu1.13 | < 2:4.19.5+dfsg-4ubuntu9.7 | < 2:4.23.6+dfsg-1ubuntu2.2

2 vendors · 2 products

References

4 links