LOW 2.2 Microsoft
CVE-2026-18839
Popt-devel: popt-static: size_t underflow in singleoptionhelp
Microsoft Security Update 2026-Aug: Popt-devel: popt-static: size_t underflow in singleoptionhelp
Affected Products
- azl3 rsync 3.4.3-1 on Azure Linux 3.0
- azl3 rsync 3.5.0-1 on Azure Linux 3.0
- azl3 popt 1.19-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-18839
- https://nvd.nist.gov/vuln/detail/CVE-2026-18839
This low severity vulnerability with a CVSS score of 2.2 was published on 2026-08-11 via Microsoft. Affected: azl3 rsync 3.4.3-1 on Azure Linux 3.0, azl3 rsync 3.5.0-1 on Azure Linux 3.0, azl3 popt 1.19-1 on Azure Linux 3.0.
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