UNKNOWN Microsoft
CVE-2026-5503
out-of-bounds write in TLSX_EchChangeSNI via attacker-controlled publicName
Microsoft Security Update 2026-Apr: out-of-bounds write in TLSX_EchChangeSNI via attacker-controlled publicName
Affected Products
- azl3 mariadb 10.11.16-1 on Azure Linux 3.0
- cbl2 mariadb 10.6.25-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5503
- https://nvd.nist.gov/vuln/detail/CVE-2026-5503
This unknown severity vulnerability was published on 2026-04-14 via Microsoft. Affected: azl3 mariadb 10.11.16-1 on Azure Linux 3.0, cbl2 mariadb 10.6.25-1 on CBL Mariner 2.0.
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