high
8.8
CWE
119 787 122
Advisory Published
CVE Published
Updated

CVE-2019-6977: Buffer Overflow

First published: Sun Dec 09 2018(Updated: )

Fixed bug (imagecolormatch Out Of Bounds Write on Heap). (CVE-2019-6977)

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/gd<0:2.2.5-7.el8
0:2.2.5-7.el8
redhat/rh-php71-php<0:7.1.30-1.el7
0:7.1.30-1.el7
redhat/rh-php72-php<0:7.2.24-1.el7
0:7.2.24-1.el7
debian/libgd2<=2.2.4-2<=2.2.4-2+deb9u3<=2.2.5-5
2.2.5-5.1
2.2.4-2+deb9u4
Libgd Libgd=2.2.5
PHP PHP<5.6.40
PHP PHP>=7.0.0<7.1.26
PHP PHP>=7.2.0<7.2.14
PHP PHP=7.3.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Netapp Storage Automation Store
PHP PHP<7.1.26
7.1.26
redhat/php<5.6.40
5.6.40
redhat/php<7.1.26
7.1.26
redhat/php<7.2.14
7.2.14
redhat/php<7.3.1
7.3.1
debian/libgd2
2.3.0-2
2.3.3-9
2.3.3-12
=2.2.5
<5.6.40
>=7.0.0<7.1.26
>=7.2.0<7.2.14
=7.3.0
=8.0
=9.0
=14.04
=16.04
=18.04
=18.10

Remedy

https://security.netapp.com/advisory/ntap-20190315-0003/

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2019-6977?

    CVE-2019-6977 is a vulnerability in the GD Graphics Library (LibGD) that allows an attacker to trigger a heap-based buffer overflow.

  • Which software versions are affected by CVE-2019-6977?

    CVE-2019-6977 affects PHP versions 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, as well as LibGD version 2.2.5.

  • How severe is CVE-2019-6977?

    CVE-2019-6977 has a severity score of 8.8 (high).

  • How can I fix CVE-2019-6977?

    To fix CVE-2019-6977, update your PHP version to 5.6.40 or later, 7.1.26 or later, 7.2.14 or later, or 7.3.1 or later. Additionally, update your LibGD version to 2.2.5-7.el8 or later.

  • Where can I find more information about CVE-2019-6977?

    You can find more information about CVE-2019-6977 at the following references: [link1], [link2], [link3].

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