PT-2026-33029 · Bouncy Castle · Bcprov

Prasanth Sundararajan · Published 2026-04-15 · Updated 2026-05-21 · CVE-2026-0636

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions BC-JAVA versions 1.74 through 1.83

Description Improper neutralization of special elements used in an LDAP query, known as LDAP injection, exists in the BC-JAVA bcprov modules. This issue is associated with the program files LDAPStoreHelper.

Recommendations Update to version 1.84.

Exploit

Fix

Weakness Enumeration

CWE-90

Related Identifiers

CVE-2026-0636

GHSA-C3FC-8QFF-9HWX

OPENSUSE-SU-2026:10571-1

Affected Products

Bcprov

References · 18

• 🔥 https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636 · Exploit
• https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2026:10571-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-0636 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-0636 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-0636 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-APP-MAVEN-CVE-2026-0636 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-c3fc-8qff-9hwx · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-0636 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-0636 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-0636 · Vendor Advisory
• https://github.com/bcgit/bc-java · Note
• https://suse.com/security/cve/CVE-2026-5588 · Note
• https://suse.com/security/cve/CVE-2026-3505 · Note
• https://t.me/cveNotify/163941 · Telegram Post