HIGH 7.5 Microsoft
CVE-2026-42499
Quadratic string concatenation in consumePhrase in net/mail
Microsoft Security Update 2026-May: Quadratic string concatenation in consumePhrase in net/mail
Affected Products
- azl3 golang 1.25.9-1 on Azure Linux 3.0
- azl3 golang 1.26.2-1 on Azure Linux 3.0
- azl3 gcc 13.2.0-7 on Azure Linux 3.0
- azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
- azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
- azl3 golang 1.26.3-1 on Azure Linux 3.0
- azl3 golang 1.25.10-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42499
- https://nvd.nist.gov/vuln/detail/CVE-2026-42499
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-05-12 via Microsoft. Affected: azl3 golang 1.25.9-1 on Azure Linux 3.0, azl3 golang 1.26.2-1 on Azure Linux 3.0, azl3 gcc 13.2.0-7 on Azure Linux 3.0 and 4 more.
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