Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-11786— 389-ds-base: 389-ds-base: heap out-of-bounds read in ldif parser str2entry_state_information_from_type()

Quick assessment

Affected
Red Hat Red Hat Directory Server 11
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.

389 Directory Server是389 Directory Server开源的一个高度可用、功能齐全、可靠和安全的LDAP服务器实现。 389 Directory Server存在缓冲区错误漏洞，该漏洞源于LDIF解析器在处理带有尾部分号的属性类型时读取堆缓冲区末尾，导致越界读取。

CVSS 1.9 · Low EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 8

VendorProduct Version RangeStatus
Red Hat Red Hat Directory Server 11 any affected
Red Hat Red Hat Directory Server 12 any affected
Red Hat Red Hat Directory Server 13 any affected
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-11786

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
389-ds-base: 389-ds-base: heap out-of-bounds read in ldif parser str2entry_state_information_from_type()
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in 389 Directory Server. The LDIF parser reads past the end of a heap buffer when processing attribute types with trailing semicolons during database import, causing an out-of-bounds read detectable under memory instrumentation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
389 Directory Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
389 Directory Server是389 Directory Server开源的一个高度可用、功能齐全、可靠和安全的LDAP服务器实现。 389 Directory Server存在缓冲区错误漏洞，该漏洞源于LDIF解析器在处理带有尾部分号的属性类型时读取堆缓冲区末尾，导致越界读取。
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 Directory Server 11 - cpe:/a:redhat:directory_server:11
Red Hat Red Hat Directory Server 12 - cpe:/a:redhat:directory_server:12
Red Hat Red Hat Directory Server 13 - cpe:/a:redhat:directory_server:13
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 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

II. Public POCs for CVE-2026-11786

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-11786

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-11786 (3)

Same Patch Batch · Red Hat · 2026-06-09 · 9 CVEs total

CVE-2026-11788 5.9 MEDIUM 389-ds-base: 389-ds-base: null pointer dereference in deref control plugin ber parser
CVE-2026-11787 5.0 MEDIUM 389-ds-base: 389-ds-base: heap buffer over-read in ldap_utf8prev() via str2simple filter p
CVE-2026-11793 4.9 MEDIUM 389-ds-base: 389-ds-base: stack buffer overflow in checkprefix() algorithm id parsing
CVE-2026-11790 4.9 MEDIUM 389-ds-base: 389-ds-base: pbkdf2 password storage plugin unbounded iteration count denial
CVE-2026-11789 4.9 MEDIUM 389-ds-base: 389-ds-base: smd5 password storage plugin salt length integer underflow crash
CVE-2026-52902 4.7 MEDIUM Awxkit: path traversal via yaml !include directive
CVE-2026-11785 4.3 MEDIUM 389-ds-base: 389-ds-base: partial stack address information leak via ber_printf type confu
CVE-2026-11792 3.3 LOW 389-ds-base: 389-ds-base: heap buffer overflow in audit log password masking (create_maske

IV. Related Vulnerabilities

Same product: Red Hat Directory Server 11
Same vendor: Red Hat
Same weakness: CWE-125

V. Comments for CVE-2026-11786

No comments yet

Leave a comment