CVE-2026-0636

medium

Description

Improper neutralization of special elements used in an LDAP query ('LDAP injection') vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (prov modules). This vulnerability is associated with program files LDAPStoreHelper. This issue affects BC-JAVA: from 1.74 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.

References

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0636.json

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636

https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde

https://bugzilla.redhat.com/show_bug.cgi?id=2458641

https://access.redhat.com/security/cve/CVE-2026-0636

https://access.redhat.com/errata/RHSA-2026:21772

https://access.redhat.com/errata/RHSA-2026:18059

https://access.redhat.com/errata/RHSA-2026:18055

https://access.redhat.com/errata/RHSA-2026:18054

https://access.redhat.com/errata/RHSA-2026:17668

https://access.redhat.com/errata/RHSA-2026:14276

https://access.redhat.com/errata/RHSA-2026:14272

https://access.redhat.com/errata/RHSA-2026:13631

https://access.redhat.com/errata/RHSA-2026:11721

https://access.redhat.com/errata/RHSA-2026:11720

Details

Source: Mitre, NVD

Published: 2026-04-15

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00047