Published: 26/05/2020 Updated: 26/04/2022

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Mozilla developers and community members reported memory safety bugs present in Firefox 75. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 76.

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mozilla firefox

USN-4353-1 caused a regression in Firefox ...

Firefox could be made to crash or run programs as your login if it opened a malicious website ...

Mozilla Foundation Security Advisory 2020-16 Security Vulnerabilities fixed in Firefox 76 Announced May 5, 2020 Impact critical Products Firefox Fixed in Firefox 76 ...

Mozilla developers and community members Frederik Braun, Andrew McCreight, CMChang, and Dan Minor reported memory safety bugs present in Firefox 75 Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code ...

CWE-787 https://www.mozilla.org/security/advisories/mfsa2020-16/https://bugzilla.mozilla.org/buglist.cgi?bug_id=1339601%2C1611938%2C1620488%2C1622291%2C1627644 https://security.gentoo.org/glsa/202005-04 https://nvd.nist.gov https://usn.ubuntu.com/4353-2/

CVE-2020-12396

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