What’s Vulnerable › Vulnerabilities

CVE-2017-7824

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-06-11 · updated 2026-06-17
• Weakness: CWE-119

Description

A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content. This is due to an incorrect value being passed within the library during checks and results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Affected products

• Debian Linux: 7.0, 8.0, 9.0
• Mozilla Firefox: before 52.4.0; before 56.0 — fixed in 52.4.0, 56.0
• Mozilla Thunderbird: before 52.4.0 — fixed in 52.4.0
• RedHat Enterprise Linux Aus: 7.4
• RedHat Enterprise Linux Desktop: 6.0, 7.0
• RedHat Enterprise Linux Eus: 7.4, 7.5
• RedHat Enterprise Linux Server: 6.0, 7.0
• RedHat Enterprise Linux Workstation: 6.0, 7.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 52.4.0, 56.0; Mozilla Thunderbird 52.4.0. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/101053
• http://www.securitytracker.com/id/1039465
• https://access.redhat.com/errata/RHSA-2017:2831
• https://access.redhat.com/errata/RHSA-2017:2885
• https://bugzilla.mozilla.org/show_bug.cgi?id=1398381
• https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
• https://security.gentoo.org/glsa/201803-14
• https://www.debian.org/security/2017/dsa-3987
• https://www.debian.org/security/2017/dsa-4014
• https://www.mozilla.org/security/advisories/mfsa2017-21/
• https://www.mozilla.org/security/advisories/mfsa2017-22/
• https://www.mozilla.org/security/advisories/mfsa2017-23/

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