What’s Vulnerable › Vulnerabilities

CVE-2017-7845

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% 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 using Direct 3D 9 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. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird < 52.5.2, Firefox ESR < 52.5.2, and Firefox < 57.0.2.

Affected products

• Mozilla Firefox: before 52.5.2; before 57.0.2 — fixed in 52.5.2, 57.0.2
• Mozilla Thunderbird: before 52.5.2 — fixed in 52.5.2

How to fix

Upgrade to a fixed version: Mozilla Firefox 52.5.2, 57.0.2; Mozilla Thunderbird 52.5.2. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/102115
• http://www.securitytracker.com/id/1040123
• https://bugzilla.mozilla.org/show_bug.cgi?id=1402372
• https://www.mozilla.org/security/advisories/mfsa2017-28/
• https://www.mozilla.org/security/advisories/mfsa2017-29/
• https://www.mozilla.org/security/advisories/mfsa2017-30/
• http://www.securityfocus.com/bid/102115
• http://www.securitytracker.com/id/1040123
• https://bugzilla.mozilla.org/show_bug.cgi?id=1402372
• https://www.mozilla.org/security/advisories/mfsa2017-28/
• https://www.mozilla.org/security/advisories/mfsa2017-29/
• https://www.mozilla.org/security/advisories/mfsa2017-30/

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