Vulnerability Database · Debian · Package report
openldap: vulnerability history, versions and safety
openldap is a package in the Debian ecosystem. Vulert records 55 vulnerabilities for it across 48 releases, from Jul 2008 to Jan 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.
No patched version yet — these are the ones to plan around.
See the unfixed vulnerabilities →No published version shipped hostile code.
Vulert verdict on openldap i
Updated on 23 Oct 2026
Careful: 8 of the 55 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.
What to do: Plan around the 8 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →
- Vulnerabilities on record 55 over 17 years · 1 in the last year i
- Latest disclosure 07 Jan 2026 i
- Highest CVSS 9.8 i
- With no published fix 8 i
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01 Versions
Which versions are affected
Every version Vulert holds for openldap, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.
Newest 48 of 48 versions on record. Severity counts are the vulnerabilities recorded against that exact release.
02 Disclosure history
How often vulnerabilities are recorded
Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 1 of the 55 were recorded in the last 12 months.
Other ways into the data
03 Vulnerabilities
Recorded vulnerabilities for openldap
| Vulnerability | Severity | Fixed version ↓ | Disclosed ↓ |
|---|---|---|---|
| Critical Denial of Service Vulnerability in OpenLDAP 2.4.22 | 9.8 critical | 2.4.23-1 | 28 Jul 2010 |
| OpenLDAP CVE-2015-3276 Vulnerability | 7.5 high | No fix published | 07 Dec 2015 |
| CVE-2023-2953: libldap-2.5-0 - Null Pointer Dereference in ber_memalloc_x Function | 7.5 high | No fix published | 30 May 2023 |
| Certificate Validation Flaw in OpenLDAP | 4.2 medium | No fix published | 14 Jul 2020 |
| OpenLDAP Denial of Service Vulnerability (CVE-2012-1164) | N/A unrated | 2.4.31-1 | 29 Jun 2012 |
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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315
