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SUSE Python-Cryptography Moderate Name Constraints Bypass Vuln 2026-21126-1

suse
Calendar Grey April 17, 2026
Dist Suse Esm H88
Python-cryptography has a moderate security update addressing a name constraints bypass vulnerability. Patch now.
An update that solves one vulnerability can now be installed.

Summary

## This update for python-cryptography fixes the following issues: * CVE-2026-34073: Fixed X.509 bypass of name constraints on wildcard SANs with matching peer names. (bsc#1260876) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-666=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * python311-cryptography-42.0.4-4.1

Topics%20covered

Topics Covered

security advisory moderate SuSE system compromise python-cryptography name constraints bypass

References

* bsc#1260876

Cross-

* CVE-2026-34073

CVSS scores:

* CVE-2026-34073 ( SUSE ): 6.3

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

* CVE-2026-34073 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-34073 ( NVD ): 1.7

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-34073 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Products:

* SUSE Linux Micro 6.0

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-34073.html

* https://bugzilla.suse.com/show_bug.cgi?id=1260876

Announcement ID: SUSE-SU-2026:21126-1
Release Date: 2026-04-14T07:57:49Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE system compromise python-cryptography name constraints bypass

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