VDB
JLSEC-2026-163
JLSEC-2026-163
PUBLISHED
CVSS 8.699999809265137 HIGH
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).
Risk Scores
CVSS v4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Julia | OpenLDAPClient_jll | 0, 0 |
| OpenLDAP | OpenLDAP |
Timeline
- Apr 21, 2026 CVE Published
- Apr 21, 2026 CVE Updated
- May 1, 2026 Distribution Patch
References
- http://seclists.org/fulldisclosure/2021/May/64 url
- http://seclists.org/fulldisclosure/2021/May/65 url
- http://seclists.org/fulldisclosure/2021/May/70 url
- https://bugs.openldap.org/show_bug.cgi?id=9404 url
- https://bugs.openldap.org/show_bug.cgi?id=9424 url
- https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31 url
- https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842 url
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 url
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E url
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E url
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html url
- https://security.netapp.com/advisory/ntap-20210226-0002/ url
- https://support.apple.com/kb/HT212529 url
- https://support.apple.com/kb/HT212530 url
- https://support.apple.com/kb/HT212531 url
- https://www.debian.org/security/2021/dsa-4845 url