CVE-2016-5766
Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 7.50% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- redhat/openshift · freebsd/freebsd · redhat/enterprise linux · libgd/libgd · fedoraproject/fedora · debian/debian linux
- Source
- cve@mitre.org
References
- http://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=1Exploit, Patch
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2598.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3619Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/23/4Release Notes
- http://www.ubuntu.com/usn/USN-3030-1
- https://bugs.php.net/bug.php?id=72339Exploit, Patch, Vendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://libgd.github.io/release-2.2.3.htmlRelease Notes
- https://security.gentoo.org/glsa/201612-09
- http://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=1Exploit, Patch
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2598.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3619Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/23/4Release Notes
- http://www.ubuntu.com/usn/USN-3030-1
- https://bugs.php.net/bug.php?id=72339Exploit, Patch, Vendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://libgd.github.io/release-2.2.3.htmlRelease Notes
- https://security.gentoo.org/glsa/201612-09
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.