CVE & CISA-KEV Catalog

CVE-2020-7065

HIGHEPSS 91th pctl
7.4
CVSS v3
NVD

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.

How to fix

Remediation Available
php7.4Debian
Fixed in:7.4.5-1CVE-2020-7065
libapache2-mod-php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29+esm11USN-4330-1
libapache2-mod-php7.0Ubuntu
Fixed in:7.0.33-0ubuntu0.16.04.14USN-4330-1
libapache2-mod-php7.2Ubuntu
Fixed in:7.2.24-0ubuntu0.18.04.4USN-4330-1
libapache2-mod-php7.4Ubuntu
Fixed in:7.4.3-4ubuntu1.1USN-4330-2
php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29+esm11USN-4330-1
php5-cgiUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29+esm11USN-4330-1
php5-cliUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29+esm11USN-4330-1
php5-fpmUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.29+esm11USN-4330-1
php7.0Ubuntu
Fixed in:7.0.33-0ubuntu0.16.04.14USN-4330-1
php7.0-cgiUbuntu
Fixed in:7.0.33-0ubuntu0.16.04.14USN-4330-1
php7.0-cliUbuntu
Fixed in:7.0.33-0ubuntu0.16.04.14USN-4330-1
php7.0-fpmUbuntu
Fixed in:7.0.33-0ubuntu0.16.04.14USN-4330-1
php7.2Ubuntu
Fixed in:7.2.24-0ubuntu0.18.04.4USN-4330-1
php7.2-cgiUbuntu
Fixed in:7.2.24-0ubuntu0.18.04.4USN-4330-1
php7.2-cliUbuntu
Fixed in:7.2.24-0ubuntu0.18.04.4USN-4330-1
php7.2-fpmUbuntu
Fixed in:7.2.24-0ubuntu0.18.04.4USN-4330-1
php7.4Ubuntu
Fixed in:7.4.3-4ubuntu1.1USN-4330-2
php7.4-cgiUbuntu
Fixed in:7.4.3-4ubuntu1.1USN-4330-2
php7.4-cliUbuntu
Fixed in:7.4.3-4ubuntu1.1USN-4330-2
php7.4-fpmUbuntu
Fixed in:7.4.3-4ubuntu1.1USN-4330-2
php7.4-mbstringUbuntu
Fixed in:7.4.3-4ubuntu1.1USN-4330-2

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

4.76%probability of exploitation in 30 days
91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Related Vulnerabilities

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2009-0927High8.897%KEVFix
CVE-2020-10924High8.887%--
CVE-2022-20705Critical10.080%--
Embed a live status badge for CVE-2020-7065
CVE-2020-7065 severity badge

Markdown

[![CVE-2020-7065](https://tridentstack.com/cve/badge/CVE-2020-7065.svg)](https://tridentstack.com/cve/CVE-2020-7065)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-7065"><img src="https://tridentstack.com/cve/badge/CVE-2020-7065.svg" alt="CVE-2020-7065"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.