# CVE-2026-19404: 389-ds-base: - Resolves: rhbz#2492927 CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in SASL packet length bypasses siz...

CVE-2026-19404 is fixed in 12 products on 1 platform, first by FEDORA-2026-0B8BC362B1, released September 7, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-19404
- Priority: Urgent
- CVSS: n/a (critical)
- EPSS: 0.0043
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 7, 2026

## Description

- Resolves: rhbz#2492927 CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in SASL packet length bypasses size limit leading to heap buffer overflow [fedora-all] - Resolves: rhbz#2497652 CVE-2026-11610 389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv() via padded SASL UNBIND [fedora-all] - Resolves: rhbz#2511796 CVE-2026-69152 389-ds-base: brace-expansion: Denial of Service via unbounded intermediate arrays [fedora-all] - Resolves: rhbz#2529450 CVE-2026-76560 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN [fedora-all] - Resolves: rhbz#2529451 CVE-2026-18453 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search [fedora-all] - Resolves: rhbz#2529452 CVE-2026-18355 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() [fedora-all] - Resolves: rhbz#2494775 CVE-2026-11611 389-ds-base: 389-ds-base: Content Sync plugin unbounded queue growth and race conditions [fedora-all] - Resolves: rhbz#2494825 CVE-2026-11884 389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to missing oc_superior in size calculation [fedora-all] - Resolves: rhbz#2494894 CVE-2026-11790 389-ds-base: 389-ds-base: PBKDF2 password storage plugin unbounded iteration count denial of service [fedora-all] - Resolves: rhbz#2494895 CVE-2026-11789 389-ds-base: 389-ds-base: SMD5 password storage plugin salt length integer underflow crash [fedora-all] - Resolves: rhbz#2509729 CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check [fedora-all] - Resolves: rhbz#2513063 CVE-2026-19404 389-ds-base: 389-ds-base: missing authorization allows anonymous clients to start or abort CleanAllRUV replication maintenance [fedora-all] - Resolves: rhbz#2494827 CVE-2026-11793 389-ds-base: 389-ds-base: stack buffer overflow in checkPrefix() algorithm ID parsing [fedora-all] - Resolves: rhbz#2494830 CVE-2026-11792 389-ds-base: 389-ds-base: heap buffer overflow in audit log password masking (create_masked_entry_string) [fedora-all] - Resolves: rhbz#2498023 CVE-2026-15041 389-ds-base: 389-ds-base: Non-constant-time comparison in PBKDF2-SHA256 password verification [fedora-all]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | 389-ds-base Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-debuginfo Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-debugsource Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-devel Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-libs Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-libs-debuginfo Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-robdb-libs Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-robdb-libs-debuginfo Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-snmp Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | 389-ds-base-snmp-debuginfo Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | cockpit-389-ds Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |
| Linux | python3-lib389 Fedora 43 | 3.1.5-4.fc43 | [FEDORA-2026-0B8BC362B1](https://patchblox.com/security/data/fix/linux/fedora-2026-0b8bc362b1.md) | Sep 7, 2026 |

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Data as of 2026-11-10T07:50:38Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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