Red Hat Security Advisory: 389-ds-base security update
Affects Red Hat 389-ds-baseSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 8.8 High.
Data as of 5 Nov 2026, 18:02 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 8.8 |
|---|
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| 389ds389-ds-base | Affected
| Fixed in– |
GitHub389-ds-basepkg:github/389-ds-baseOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released updated 389-ds-base packages for Red Hat Enterprise Linux 10.0 Extended Update Support that address these vulnerabilities. Users should apply these official security updates promptly. For detailed update instructions, refer to Red Hat's advisory and article at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Description
Two heap buffer overflow vulnerabilities have been identified in the 389 Directory Server's SASL handling components. These include a heap buffer overflow via padded SASL UNBIND (CVE-2026-11610) and an integer overflow in SASL packet length that bypasses size limits leading to a heap buffer overflow (CVE-2026-11774). These issues affect the 389-ds-base package used in Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat has issued security updates to address these vulnerabilities.
References
- access.redhat.com/errata/RHSA-2026:36670 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2484414 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2484916 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_36670.json (opens in a new tab)