PT-2026-67232

🗓️ 03 Aug 2026 00:00:00Reported by Positive TechnologiesType

ptsecurity🔗 dbugs.ptsecurity.com👁 30 Views

BC Java CMS verifySignatures accepts zero-signer SignedData before 1.85; affects long term support and FIPS variants.

Reporter	Title	Published	Views	Family All 60
IBM Security Bulletins	Security Bulletin: There are vulnerabilities in IBM Maximo Manage application in IBM Maximo Application Suite	28 Aug 202605:59	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Tivoli Netcool Configuration Manager is affected by multiple Bouncy Castle vulnerabilities that could cause denial of service, resource exhaustion, cryptographic verification bypass, or other security impacts.	3 Sep 202613:07	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple vulnerabilities in IBM Rational Developer for i	15 Sep 202613:46	–	ibm
IBM Security Bulletins	Security Bulletin: Vulnerabilities in Spring, Tomcat, Netty, PostCSS might affect IBM Storage Protect Plus	9 Sep 202613:18	–	ibm
IBM Security Bulletins	Security Bulletin: There are vulnerabilities in IBM Maximo Manage application in IBM Maximo Application Suite	14 Sep 202605:56	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Sterling Global Availability Mailbox is affected by vulnerabilities in bouncy castle 1.84	16 Sep 202612:50	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image	27 Aug 202606:11	–	ibm
ATTACKERKB	CVE-2026-59639	3 Aug 202600:56	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : bouncycastle, bouncycastle-javadoc, bouncycastle-mail (ALAS2023-2026-2153)	14 Sep 202600:00	–	nessus
Tenable Nessus	openSUSE 16: bouncycastle / bouncycastle-javadoc / bouncycastle-jmail / etc (openSUSE-SU-2026:21538-1)	8 Aug 202600:00	–	nessus

Source	Link
github	www.github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059639
github	www.github.com/bcgit/bc-java/commit/99ddc6dcc6782e6a76b0dd587c77e62eb7096ad0
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-59639

03 Aug 2026 00:00Current

5.4Medium risk

Vulners AI Score5.4

CVSS 48.7

EPSS0.00163