PT-2026-36281 · 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 a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service.

Related Identifiers

JLSEC-2026-170

Affected Products

Openldapclient Jll

References · 15

• https://debian.org/security/2021/dsa-4845 · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2026-170 · Vendor Advisory
• https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 · Note
• https://security.netapp.com/advisory/ntap-20210226-0002 · Note
• https://support.apple.com/kb/HT212530 · Note
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E · Note
• http://seclists.org/fulldisclosure/2021/May/65 · Note
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E · Note
• http://seclists.org/fulldisclosure/2021/May/64 · Note
• https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html · Note
• http://seclists.org/fulldisclosure/2021/May/70 · Note
• https://support.apple.com/kb/HT212529 · Note
• https://bugs.openldap.org/show_bug.cgi?id=9427 · Note
• https://git.openldap.org/openldap/openldap/-/commit/91dccd25c347733b365adc74cb07d074512ed5ad · Note
• https://support.apple.com/kb/HT212531 · Note