PT-2026-36274 · Julia · Openldapclient Jll

Published 2026-04-21 · Updated 2026-04-21

OSV

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema init.c serialNumberAndIssuerCheck).

Related Identifiers

JLSEC-2026-163

Affected Products

Openldapclient Jll

References · 17

• https://osv.dev/vulnerability/JLSEC-2026-163 · Vendor Advisory
• https://debian.org/security/2021/dsa-4845 · Vendor Advisory
• https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 · Note
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E · Note
• https://bugs.openldap.org/show_bug.cgi?id=9424 · Note
• https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842 · Note
• https://bugs.openldap.org/show_bug.cgi?id=9404 · Note
• http://seclists.org/fulldisclosure/2021/May/65 · Note
• http://seclists.org/fulldisclosure/2021/May/64 · Note
• http://seclists.org/fulldisclosure/2021/May/70 · Note
• https://security.netapp.com/advisory/ntap-20210226-0002 · Note
• https://support.apple.com/kb/HT212529 · Note
• https://support.apple.com/kb/HT212531 · Note
• https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31 · Note
• https://support.apple.com/kb/HT212530 · Note