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PT-2026-33031

🗓️ 15 Apr 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 2 Views

Vulnerability in Bouncy Castle Java PKIX: CompositeVerifier accepts empty signature sequences.

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Refs
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IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in netty-codec-http-4.1.129.Final.jar
28 Apr 202622:37
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IBM Security Bulletins		Security Bulletin: IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
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IBM Security Bulletins		Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Netty and jackson-core (CVE-2026-33870, WS-2026-003)
11 May 202607:46
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IBM Security Bulletins		Security Bulletin: Due to use of bcpkix-jdk18on-1.81.jar, IBM Sterling Connect:Direct Web Services is affected by Use of a Broken or Risky Cryptographic Algorithm vulnerability.
4 Jun 202602:55
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IBM Security Bulletins		Security Bulletin: There is a vulnerability in bcpkix-jdk18on-1.81.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-5588)
29 May 202609:58
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IBM Security Bulletins		Security Bulletin: There is a vulnerability in netty-codec-http-4.1.130.Final.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-33870)
29 May 202609:04
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1 Jun 202608:35
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IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses netty-codec-http-4.2.9.Final.jar which is vulnerable to CVE-2026-33870
29 May 202608:49
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IBM Security Bulletins		Security Bulletin: DevOps Test Performance contains a vulnerability related to use of the Netty framework
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08 May 2026 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.5 - 9.8
CVSS 46.3
EPSS0.00028
SSVC
Bouncy Castle JavaComposite VerifierEmpty SignatureSignature ValidationRisky AlgorithmsOlder Versions
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