Description
Stack Overflow vulnerability in Apache Directory LDAP API.
Before binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder.
This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9.
Users are recommended to upgrade to version 1.2.9, which fixes the issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Directory LDAP API | 1.2.0 – < 1.2.9 | 1.2.9 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | apache-directory-api | 2.1.9-1 | — |
| Debian 13 | apache-directory-api | No fix yet | — |
| Debian 12 | apache-directory-api | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | apache-directory-api | No fix yet | — |
| Ubuntu 26.04 LTS | apache-directory-api | No fix yet | — |
| Ubuntu 24.04 LTS | apache-directory-api | No fix yet | — |
| Ubuntu 22.04 LTS | apache-directory-api | No fix yet | — |
| Ubuntu 20.04 LTS | apache-directory-api | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | apache-directory-api | No fix yet | — |
| Ubuntu 16.04 LTS | apache-directory-api | No fix yet | — |