DEBIAN-CVE-2020-7065

DEBIAN-CVE-2020-7065 PUBLISHED CVSS 8.800000190734863 HIGH

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.

Risk Scores

CVSS v3.1

8.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
Debian:11	php7.4	0, 0, 0

Timeline

Apr 1, 2020 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2020-7065 advisory

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