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cryptography: Cryptography: Buffer overflow via non-contiguous buffer in API

🗓️ 09 Jun 2026 11:18:01Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

Cryptography library flaw lets non-contiguous buffers overflow via Python APIs, causing DoS.

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Refs
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IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by multiple vulnerabilities in the cryptography package
17 Jun 202607:04
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IBM Security Bulletins		Security Bulletin: Storage Virtualize Ansible Collection is affected by a vulnerability in the cryptography package
21 May 202612:03
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IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in cryptography-46.0.3-cp311-abi3-macosx_10_9_universal2.whl
13 May 202603:59
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IBM Security Bulletins		Security Bulletin: Location Service for ESRI Component uses cryptography-46.0.6, pyasn1-0.6.2, requests-2.32.5 and cryptography-46.0.5 library which were vulnerable to multiple CVEs
5 May 202603:01
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IBM Security Bulletins		Security Bulletin: Maximo AI Service uses cryptography-46.0.6-cp311-abi3-manylinux_2_34_x86_64.whl and tomcat-embed-core-10.1.54.jar which are vulnerable to CVE-2026-39892, CVE-2026-41293, CVE-2026-43512, CVE-2026-43513 and CVE-2026-43515.
30 Jun 202607:44
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IBM Security Bulletins		Security Bulletin: IBM Edge Data Collector uses cryptography-46.0.5-cp311-abi3-manylinux_2_34_x86_64.whl, cryptography-46.0.6-cp311-abi3-manylinux_2_34_x86_64.whl which is vulnerable to CVE-2026-34073, CVE-2026-39892
29 May 202610:14
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IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring and Dashboard operands are vulnerable to loss of confidentiality (CVE-2026-39892, CVE-2026-34073) and arbitrary code execution (CVE-2026-40087)
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IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - IoT Component uses multiple third party dependencies which is vulnerable to multiple CVEs.
7 May 202613:57
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IBM Security Bulletins		Security Bulletin: IBM Maximo Scheduler Optimizer uses cryptography-46.0.5-cp311-abi3-manylinux_2_34_x86_64.wh which is vulnerable to CVE-2026-34073
7 May 202613:22
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IBM Security Bulletins		Security Bulletin: Vulnerability affect cryptography-46.0.5, and bcprov-jdk18on-1.82.jar IBM COS Systems (July 2026)
14 Jul 202615:47
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64automation-controller4.7.12-1.el9apautomation-controller-4.7.12-1.el9ap.aarch64.rpm
Red Hat Enterprise Linux9ppc64leautomation-controller4.7.12-1.el9apautomation-controller-4.7.12-1.el9ap.ppc64le.rpm
Red Hat Enterprise Linux9s390xautomation-controller4.7.12-1.el9apautomation-controller-4.7.12-1.el9ap.s390x.rpm
Red Hat Enterprise Linux9x86_64automation-controller4.7.12-1.el9apautomation-controller-4.7.12-1.el9ap.x86_64.rpm
Red Hat Enterprise Linux9noarchautomation-controller-cli4.7.12-1.el9apautomation-controller-cli-4.7.12-1.el9ap.noarch.rpm
Red Hat Enterprise Linux9noarchautomation-controller-server4.7.12-1.el9apautomation-controller-server-4.7.12-1.el9ap.noarch.rpm
Red Hat Enterprise Linux9noarchautomation-controller-ui4.7.12-1.el9apautomation-controller-ui-4.7.12-1.el9ap.noarch.rpm
Red Hat Enterprise Linux9aarch64automation-controller-venv-tower4.7.12-1.el9apautomation-controller-venv-tower-4.7.12-1.el9ap.aarch64.rpm
Red Hat Enterprise Linux9ppc64leautomation-controller-venv-tower4.7.12-1.el9apautomation-controller-venv-tower-4.7.12-1.el9ap.ppc64le.rpm
Red Hat Enterprise Linux9s390xautomation-controller-venv-tower4.7.12-1.el9apautomation-controller-venv-tower-4.7.12-1.el9ap.s390x.rpm
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20 Jul 2026 19:07Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.3 - 9.8
CVSS 46.9
EPSS0.00652
SSVC
CWE-131
cryptography vulnerabilitynon contiguous buffersbuffer overflowpython buffersapplication interfaces
8