CVE-2023-3824

high-risk
Published 2023-08-11

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

Do I need to act?

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32.4% chance of exploitation in next 30 days
EPSS score — higher than 68% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.4/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

56
/ 100
high-risk
Severity 31/34 · Critical
Exploitability 16/34 · Moderate
Exposure 9/34 · Low