AZL-80034

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Import Source

https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-80034.json

JSON Data

https://api.osv.dev/v1/vulns/AZL-80034

Upstream

CVE-2026-27459

Published

2026-03-18T00:16:19Z

Modified

2026-08-29T05:27:27Z

Summary

CVE-2026-27459 affecting package pyOpenSSL for versions less than 24.2.1-2

Details

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to set_cookie_generate_callback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0.0, cookie values that are too long are now rejected.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-27459

Affected packages

Azure Linux:3 / pyOpenSSL

Package

Name: pyOpenSSL
Purl: pkg:rpm/azure-linux/pyOpenSSL

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

24.2.1-2

Database specific

source

"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-80034.json"