Medium severity · published Jun 9, 2026
CVE-2026-11786
389-ds-base: 389-ds-base: heap out-of-bounds read in ldif parser str2entry_state_information_from_type()
6.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Directory Server 11 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Directory Server 12 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Directory Server 13 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
3D
389 Directory Server · Redhat
All versions, or not specified · source: NVD
DS
Directory Server · Redhat
11.0; 12.0; 13.0 · source: NVD
EL
Enterprise Linux · Redhat
7.0; 8.0; 9.0; 10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11786
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11786
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-11786
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2485426
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