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Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2016-8670

CRITICAL 9.8 CVSS 3.0
Published
January 4, 2017
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@debian.org
Weakness
CWE-119
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.

References

  • www.debian.org http://www.debian.org/security/2016/dsa-3693
  • www.openwall.com http://www.openwall.com/lists/oss-security/2016/10/15/1 Third Party Advisory
  • www.php.net http://www.php.net/ChangeLog-5.php Release Notes, Vendor Advisory
  • www.php.net http://www.php.net/ChangeLog-7.php Release Notes, Vendor Advisory
  • www.securityfocus.com http://www.securityfocus.com/bid/93594
  • bugs.php.net https://bugs.php.net/bug.php?id=73280 Vendor Advisory
  • github.com https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9 Vendor Advisory
  • support.f5.com https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS
  • nvd.nist.gov Official NVD record