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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | 389-ds-base | no fix listed | DEBIAN-CVE-2026-11786 |
| Debian:13 | 389-ds-base | no fix listed | DEBIAN-CVE-2026-11786 |
| Ubuntu:22.04:LTS | 389-ds-base | no fix listed | UBUNTU-CVE-2026-11786 |
| Ubuntu:24.04:LTS | 389-ds-base | no fix listed | UBUNTU-CVE-2026-11786 |
| Ubuntu:25.10 | 389-ds-base | no fix listed | UBUNTU-CVE-2026-11786 |
| Ubuntu:26.04:LTS | 389-ds-base | no fix listed | UBUNTU-CVE-2026-11786 |
| Ubuntu:26.10 | 389-ds-base | no fix listed | UBUNTU-CVE-2026-11786 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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
- https://access.redhat.com/security/cve/CVE-2026-11786 vdb-entry, x_refsource_REDHAT
- RHBZ#2485426 issue-tracking, x_refsource_REDHAT