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envvars (aka envvars-std) in the Apache HTTP Server before 2.4.2 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse DSO in the current working directory during execution of apachectl.

🗓️ 04 Sep 2025 03:26:28Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 5 Views

Envvars before 2.4.2 in Apache HTTP Server place a zero-length LD_LIBRARY_PATH entry, enabling local privilege escalation.

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18 Feb 2026 22:23Current
7High risk
Vulners AI Score7
CVSS 26.9
EPSS0.00197
5