CVE-2016-6207

NameCVE-2016-6207
DescriptionInteger overflow in the _gdContributionsAlloc function in gd_interpolation.c in GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds memory write or memory consumption) via unspecified vectors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3630-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libgd2 (PTS)wheezy2.0.36~rc1~dfsg-6.1+deb7u2fixed
wheezy (security)2.0.36~rc1~dfsg-6.1+deb7u10fixed
jessie (security), jessie2.1.0-5+deb8u11fixed
stretch (security), stretch2.2.4-2+deb9u2fixed
buster, sid2.2.5-4fixed
php5 (PTS)wheezy5.4.45-0+deb7u2vulnerable
wheezy (security)5.4.45-0+deb7u11vulnerable
jessie (security), jessie5.6.30+dfsg-0+deb8u1fixed
php7.0 (PTS)stretch7.0.19-1fixed
buster, sid7.0.26-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libgd2source(unstable)2.2.2-43-g22cba39-1medium
libgd2sourcejessie2.1.0-5+deb8u6mediumDSA-3630-1
libgd2sourcewheezy(not affected)
php5source(unstable)5.6.24+dfsg-1unimportant
php5sourcejessie5.6.24+dfsg-0+deb8u1medium
php7.0source(unstable)7.0.9-1unimportant

Notes

[wheezy] - libgd2 <not-affected> (Vulnerable code not present)
https://github.com/libgd/libgd/commit/0dd40abd6d5b3e53a6b745dd4d6cf94b70010989
https://github.com/libgd/libgd/commit/d325888a9fe3c9681e4a9aad576de2c5cd5df2ef
https://github.com/libgd/libgd/commit/ff9113c80a32205d45205d3ea30965b25480e0fb
https://github.com/libgd/libgd/commit/f60ec7a546499f9446063a4dbe755be9523d8232
https://github.com/libgd/libgd/commit/7a28c235890c95e6010e7b0d0f7c7369367168ef
Fixed in 7.0.9, 5.6.24, 5.5.38
PHP Bug: https://bugs.php.net/bug.php?id=72558
Starting with 5.4.0-1 Debian uses the system copy of libgd

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