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CVE-2026-58224— Samba: ctdb fails to do integrity checking of received packets

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Samba CTDB是Samba组织的一款集群数据库系统。 Samba CTDB存在加密问题漏洞，该漏洞源于对接收的CTDB协议数据包完整性验证不足，可能导致具有CTDB私有网络访问权限的远程攻击者触发进程崩溃或过度内存消耗的拒绝服务，有限情况下泄露相邻内存内容。

CVSS 6.5 · Medium EPSS 0.33% · P23

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 9

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any unaffected
Red Hat Red Hat Enterprise Linux 6 any unknown
any unknown
any unknown
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any unaffected
Red Hat Red Hat Enterprise Linux 9 any unaffected
Red Hat Red Hat OpenShift Container Platform 4 any unaffected
any unaffected
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I. Basic Information for CVE-2026-58224

Vulnerability Information
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Vulnerability Title
Samba: ctdb fails to do integrity checking of received packets
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of received CTDB protocol packets allows malformed packets containing invalid field lengths, improperly terminated strings, or inconsistent packet sizes to be processed without adequate bounds checking. A remote attacker with access to the CTDB private network may trigger a denial of service through process crashes or excessive memory consumption and, in limited cases, disclose adjacent memory contents.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺失完整性检查支持
Source: CVE Program / CVE List V5
Vulnerability Title
Samba CTDB 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samba CTDB是Samba组织的一款集群数据库系统。 Samba CTDB存在加密问题漏洞，该漏洞源于对接收的CTDB协议数据包完整性验证不足，可能导致具有CTDB私有网络访问权限的远程攻击者触发进程崩溃或过度内存消耗的拒绝服务，有限情况下泄露相邻内存内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4

II. Public POCs for CVE-2026-58224

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III. Intelligence Information for CVE-2026-58224

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Patches & Fixes for CVE-2026-58224 (1)

Vendor Advisories for CVE-2026-58224 (3)

Same Patch Batch · Red Hat · 2026-08-14 · 11 CVEs total

CVE-2026-74243 6.5 MEDIUM Quay: unauthenticated secscan notification endpoint in quay when psk is unset
CVE-2026-74244 5.9 MEDIUM Quay: stripe webhook accepts forged events without signature verification in quay
CVE-2026-74245 5.9 MEDIUM Quay: unauthenticated exported logs download in quay
CVE-2026-19617 5.5 MEDIUM Libdm: lvm2: libdm: denial of service via uncontrolled recursion in config parser
CVE-2026-74240 5.4 MEDIUM Quay: jwt claim validation bypasses in quay federated robot and sso authentication
CVE-2026-19879 5.3 MEDIUM Io.undertow/undertow: undertow: http response header integrity issue due to character trun
CVE-2026-74242 5.3 MEDIUM Quay: repository notification uuid idor in quay api
CVE-2026-74241 4.8 MEDIUM Quay: ldap referral filter injection in quay external ldap authentication
CVE-2026-13002 4.4 MEDIUM Dnsmasq: infinite loop dos in dnssec nsec/nsec3 type bitmap parsing
CVE-2026-74247 4.2 MEDIUM Quay: ssrf via build archive_url in quay build api

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-353

V. Comments for CVE-2026-58224

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