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CVE-2020-7065

Published: 1 April 2020

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.

Notes

AuthorNote
sbeattie
PEAR issues should go against php-pear as of xenial
Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

precise Not vulnerable

trusty Not vulnerable

upstream Needs triage

xenial Does not exist

php7.0
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable

php7.2
Launchpad, Ubuntu, Debian
bionic Not vulnerable

eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

php7.3
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan
Released (7.3.11-0ubuntu0.19.10.4)
focal Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

php7.4
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal
Released (7.4.3-4ubuntu1.1)
precise Does not exist

trusty Does not exist

upstream
Released (7.4.4)
xenial Does not exist