5.4

CVE-2022-32746: samba Use After Free

Modified
AliasesALPINE-CVE-2022-32746RHSA-2022:7730RHSA-2022:8318
Published 25-08-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-32746 is a medium (CVSS 5.4) Use After Free vulnerability in samba. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
1.31%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 11
DSA-5205-1MGASA-2022-0299OPENSUSE-SU-2024:12243-1SUSE-SU-2022:2582-1SUSE-SU-2022:2586-1SUSE-SU-2022:2586-2

Timeline

  1. 25-08-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values freed by a preceding database module, resulting in a use-after-free issue. This issue is only possible when modifying certain privileged attributes, such as userAccountControl.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.31%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

Increase +0.07 pp

From 1.23% on 04-10-2026

04-10-202603-11-2026

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

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat10 products
  • ldb-tools< 0:2.5.2-2.el8 | < 0:2.5.2-1.el9
  • ldb-tools-debuginfo< 0:2.5.2-2.el8 | < 0:2.5.2-1.el9
  • libldb< 0:2.5.2-2.el8 | < 0:2.5.2-1.el9
  • libldb-debuginfo< 0:2.5.2-2.el8 | < 0:2.5.2-1.el9
  • libldb-debugsource< 0:2.5.2-2.el8 | < 0:2.5.2-1.el9
Ubuntu2 products
  • ldbAll versions (No fix recorded) | < 2:2.2.3-0ubuntu0.20.04.3 | < 2:2.4.4-0ubuntu0.1
  • sambaAll versions (No fix recorded) | < 2:4.13.17~dfsg-0ubuntu1.20.04.1 | < 2:4.15.9+dfsg-0ubuntu0.2
Alpine1 product
  • samba≥ 4.3.0, < 4.14.14-r0 | ≥ 4.3.0, < 4.15.12-r0 | ≥ 4.3.0, < 4.15.9-r0
Debian1 product
  • samba< 2:4.16.4+dfsg-1
Opensuse1 product
  • ldb&distro=openSUSE Tumbleweed< 2.5.2-1.1
Samba1 product
  • samba≥ 4.3.0, < 4.14.14 | ≥ 4.15.0, < 4.15.9 | ≥ 4.16.0, < 4.16.4

6 vendors · 16 products

References

21 links
Show all 21 references