CVE-2019-11046

NameCVE-2019-11046
DescriptionIn PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP bcmath extension functions on some systems, including Windows, can be tricked into reading beyond the allocated space by supplying it with string containing characters that are identified as numeric by the OS but aren't ASCII numbers. This can read to disclosure of the content of some memory locations.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2050-1, DSA-4626-1, DSA-4628-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)jessie5.6.33+dfsg-0+deb8u1vulnerable
jessie (security)5.6.40+dfsg-0+deb8u10fixed
php7.0 (PTS)stretch7.0.33-0+deb9u6vulnerable
stretch (security)7.0.33-0+deb9u7fixed
php7.3 (PTS)buster7.3.11-1~deb10u1vulnerable
buster (security)7.3.14-1~deb10u1fixed
bullseye7.3.15-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)(unfixed)
php5sourcejessie5.6.40+dfsg-0+deb8u8DLA-2050-1
php7.0source(unstable)(unfixed)
php7.0sourcestretch7.0.33-0+deb9u7DSA-4628-1
php7.3source(unstable)7.3.15-1
php7.3sourcebuster7.3.14-1~deb10u1DSA-4626-1

Notes

Fixed in PHP 7.4.1, 7.3.13
PHP Bug: http://bugs.php.net/78878
http://git.php.net/?p=php-src.git;a=patch;h=2d07f00b73d8f94099850e0f5983e1cc5817c196

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