MEDIUM 5.5 Microsoft
CVE-2026-21444
libtpms returns wrong initialization vector when certain symmetric ciphers are used
Microsoft Security Update 2026-Jan: libtpms returns wrong initialization vector when certain symmetric ciphers are used
Affected Products
- azl3 libtpms 0.9.6-8 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21444
- https://nvd.nist.gov/vuln/detail/CVE-2026-21444
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-01-13 via Microsoft. Affected: azl3 libtpms 0.9.6-8 on Azure Linux 3.0.
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