A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade python3-lib389Upgrade 389-ds-base-libsUpgrade 389-ds-base-legacy-toolsUpgrade 389-ds-base-snmpUpgrade 389-ds-base-develUpgrade 389-ds-base | Oct 11, 2026 | Aug 17, 2026 |
| Redhat_linux | — | Upgrade 389-ds-base-snmpUpgrade 389-ds-base-libsUpgrade python3-lib389Upgrade 389-ds-base-libs-debuginfoUpgrade 389-ds-base-snmp-debuginfoNo solution existsUpgrade 389-ds-base-legacy-tools-debuginfoUpgrade 389-ds-base-legacy-toolsUpgrade 389-ds-base-debugsourceUpgrade 389-ds-base-debuginfoUpgrade 389-ds-baseUpgrade 389-ds-base-bdbUpgrade 389-ds-base-develUpgrade 389-ds-base-bdb-debuginfo | Jul 17, 2026 | Apr 16, 2026 |
| Rocky_linux | — | Upgrade 389-ds-base-snmpUpgrade 389-ds-base-debugsourceUpgrade 389-ds-base-legacy-tools-debuginfoUpgrade 389-ds-base-legacy-toolsUpgrade 389-ds-base-develUpgrade 389-ds-base-debuginfoUpgrade 389-ds-baseUpgrade 389-ds-base-bdb-debuginfoUpgrade 389-ds-base-libsUpgrade 389-ds-base-bdbUpgrade 389-ds-base-snmp-debuginfoUpgrade 389-ds-base-libs-debuginfo | Aug 20, 2026 | Aug 17, 2026 |
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