CVE-2020-7065
CVSS v3
8.8
HIGH
EPSS Score
6.0 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
Technical details
- Published
- 2020-04-01
Frequently asked questions
What is CVE-2020-7065?
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
Is CVE-2020-7065 actively exploited?
Active exploitation of CVE-2020-7065 has not been confirmed. The EPSS score is 6.0%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-7065?
CVE-2020-7065 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-7065 affecting your environment?
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