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

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CVE-2019-6977

HIGH 8.8 CVSS 3.0
Published
January 27, 2019
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-787
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.

Affected products and versions

  • PHP — Before 5.6.40
  • PHP — From 7.0.0 (including) to 7.1.26 (excluding)
  • PHP — From 7.2.0 (including) to 7.2.14 (excluding)
  • PHP versions 7.3.0

References

  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html
  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html
  • packetstormsecurity.com http://packetstormsecurity.com/files/152459/PHP-7.2-imagecolormatch-Out-Of-Band-Heap-Write.html
  • php.net http://php.net/ChangeLog-5.php Release Notes, Vendor Advisory
  • php.net http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory
  • www.securityfocus.com http://www.securityfocus.com/bid/106731 Third Party Advisory, VDB Entry
  • access.redhat.com https://access.redhat.com/errata/RHSA-2019:2519
  • access.redhat.com https://access.redhat.com/errata/RHSA-2019:3299
  • bugs.php.net https://bugs.php.net/bug.php?id=77270 Exploit, Issue Tracking, Mailing List, Vendor Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html Mailing List, Third Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/
  • security.gentoo.org https://security.gentoo.org/glsa/201903-18 Third Party Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20190315-0003/ Patch, Third Party Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/3900-1/ Third Party Advisory
  • www.debian.org https://www.debian.org/security/2019/dsa-4384 Third Party Advisory
  • www.exploit-db.com https://www.exploit-db.com/exploits/46677/
  • nvd.nist.gov Official NVD record