
CVE catalog
CVE-2026-11611
A flaw was found in 389 Directory Server. The Content Synchronization persistent search plugin allows unbounded memory growth when an authenticated client stops reading sync responses, enabling denial
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.24% · Oct 25, 2026
A flaw was found in 389 Directory Server. The Content Synchronization persistent search plugin allows unbounded memory growth when an authenticated client stops reading sync responses, enabling denial of service. Additional race conditions in plugin thread lifecycle can cause crashes during connection teardown or shutdown.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | 389-ds-base | sid | 3.3.1-3 | fixed |
| Debian | 389-ds-base | trixie | 3.1.2+dfsg1-1+deb13u1 | vulnerable |
| Debian | 389-ds-base | bookworm | 2.3.1+dfsg1-1+deb12u1 | vulnerable |
| Cpe | 389-ds-base | Not reported | Not reported | vulnerable |
| Cpe | directory_server | Not reported | Not reported | unknown |
| Cpe | 389_directory_server | Not reported | Not reported | unknown |
| Cpe | enterprise_linux | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [389-ds]Affected
Source package: [389-ds-base]
Details (2)
2.3.1+dfsg1-1+deb12u1· all · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
2.3.1+dfsg1-1+deb12u1· all · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- [389-ds-base]Affected
Details (2)
2.3.1+dfsg1-1+deb12u1· amd64 · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
2.3.1+dfsg1-1+deb12u1· arm64 · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- [389-ds-base-dev]Affected
Source package: [389-ds-base]
Details (2)
2.3.1+dfsg1-1+deb12u1· amd64 · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
2.3.1+dfsg1-1+deb12u1· arm64 · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- [389-ds-base-libs]Affected
Source package: [389-ds-base]
Details (2)
2.3.1+dfsg1-1+deb12u1· amd64 · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
2.3.1+dfsg1-1+deb12u1· arm64 · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- [cockpit-389-ds]Affected
Source package: [389-ds-base]
Details (2)
2.3.1+dfsg1-1+deb12u1· all · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
2.3.1+dfsg1-1+deb12u1· all · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
- [python3-lib389]Affected
Source package: [389-ds-base]
Details (2)
2.3.1+dfsg1-1+deb12u1· all · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
2.3.1+dfsg1-1+deb12u1· all · bookwormAffected
nvd · 389-ds-base · debian · bookworm; nvd · 389-ds-base · debian · 12
[Debian 13 (Trixie)]
- [389-ds]Affected
Source package: [389-ds-base]
Details (2)
3.1.2+dfsg1-1+deb13u1· all · trixieAffected
nvd · 389-ds-base · debian · 13
3.1.2+dfsg1-1+deb13u1· all · trixieAffected
nvd · 389-ds-base · debian · 13
- [389-ds-base]Affected
Details (2)
3.1.2+dfsg1-1+deb13u1· amd64 · trixieAffected
nvd · 389-ds-base · debian · 13
3.1.2+dfsg1-1+deb13u1· arm64 · trixieAffected
nvd · 389-ds-base · debian · 13
- [389-ds-base-dev]Affected
Source package: [389-ds-base]
Details (2)
3.1.2+dfsg1-1+deb13u1· amd64 · trixieAffected
nvd · 389-ds-base · debian · 13
3.1.2+dfsg1-1+deb13u1· arm64 · trixieAffected
nvd · 389-ds-base · debian · 13
- [389-ds-base-libs]Affected
Source package: [389-ds-base]
Details (2)
3.1.2+dfsg1-1+deb13u1· amd64 · trixieAffected
nvd · 389-ds-base · debian · 13
3.1.2+dfsg1-1+deb13u1· arm64 · trixieAffected
nvd · 389-ds-base · debian · 13
- [cockpit-389-ds]Affected
Source package: [389-ds-base]
Details (2)
3.1.2+dfsg1-1+deb13u1· all · trixieAffected
nvd · 389-ds-base · debian · 13
3.1.2+dfsg1-1+deb13u1· all · trixieAffected
nvd · 389-ds-base · debian · 13
- [python3-lib389]Affected
Source package: [389-ds-base]
Details (2)
3.1.2+dfsg1-1+deb13u1· all · trixieAffected
nvd · 389-ds-base · debian · 13
3.1.2+dfsg1-1+deb13u1· all · trixieAffected
nvd · 389-ds-base · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_3136-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-11611]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-11611]
- [https://security-tracker.debian.org/tracker/CVE-2026-11611]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-11611.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]