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Vulnerability · Published Jun 9, 2026 · Assigned by redhat

CVE-2026-11786389-ds-base: 389-ds-base: heap out-of-bounds read in ldif parser str2entry_state_information_from_type()

Low 1.9

In plain English

A low-severity out-of-bounds read in Red Hat Directory Server 11 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)1.9Low
Exploit odds (30 days)0.2%top 94.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12389-ds-baseno fix listedDEBIAN-CVE-2026-11786
Debian:13389-ds-baseno fix listedDEBIAN-CVE-2026-11786
Ubuntu:22.04:LTS389-ds-baseno fix listedUBUNTU-CVE-2026-11786
Ubuntu:24.04:LTS389-ds-baseno fix listedUBUNTU-CVE-2026-11786
Ubuntu:25.10389-ds-baseno fix listedUBUNTU-CVE-2026-11786
Ubuntu:26.04:LTS389-ds-baseno fix listedUBUNTU-CVE-2026-11786
Ubuntu:26.10389-ds-baseno fix listedUBUNTU-CVE-2026-11786

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Directory Server 11 see references
Red Hat Red Hat Directory Server 12 see references
Red Hat Red Hat Directory Server 13 see references
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

References