MEDIUM 4.0 Microsoft
CVE-2026-6103
Phar TAR phar_tar_number() Integer Overflow - Archive Entry Injection
Microsoft Security Update 2026-Sep: Phar TAR phar_tar_number() Integer Overflow - Archive Entry Injection
Affected Products
- azl3 php 8.3.33-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6103
- https://nvd.nist.gov/vuln/detail/CVE-2026-6103
This medium severity vulnerability with a CVSS score of 4.0 was published on 2026-09-08 via Microsoft. Affected: azl3 php 8.3.33-1 on Azure Linux 3.0.
vulnfeed aggregates 17092 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.