CVE-2016-4540

NameCVE-2016-4540
DescriptionThe grapheme_stripos 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-499-1, DSA-3602-1

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5sourcewheezy5.4.45-0+deb7u3DLA-499-1
php5sourcejessie5.6.22+dfsg-0+deb8u1DSA-3602-1
php5source(unstable)5.6.21+dfsg-1
php7.0source(unstable)7.0.6-1

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
https://www.openwall.com/lists/oss-security/2016/05/05/21

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