CVE-2016-4541

NameCVE-2016-4541
DescriptionThe grapheme_strpos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-499-1, DSA-3602-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)wheezy5.4.45-0+deb7u2vulnerable
wheezy (security)5.4.45-0+deb7u11fixed
jessie (security), jessie5.6.30+dfsg-0+deb8u1fixed
php7.0 (PTS)stretch7.0.19-1fixed
buster, sid7.0.22-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)5.6.21+dfsg-1high
php5sourcejessie5.6.22+dfsg-0+deb8u1highDSA-3602-1
php5sourcewheezy5.4.45-0+deb7u3highDLA-499-1
php7.0source(unstable)7.0.6-1high

Notes

https://bugs.php.net/bug.php?id=72061
https://git.php.net/?p=php-src.git;a=commit;h=fd9689745c44341b1bd6af4756f324be8abba2fb
Fixed in 7.0.6, 5.6.21, 5.5.35
http://www.openwall.com/lists/oss-security/2016/05/05/21

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