Published: 09/07/2020 Updated: 27/04/2022

CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6

CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8

VMScore: 828

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Mozilla developers and community members reported memory safety bugs present in Firefox 77. 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 < 78.

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mozilla firefox
opensuse leap 15.1
opensuse leap 15.2

Mozilla Foundation Security Advisory 2020-29 Security Vulnerabilities fixed in Thunderbird 78 Announced July 16, 2020 Impact high Products Thunderbird Fixed in Thunderbird 78 ...

Mozilla Foundation Security Advisory 2020-24 Security Vulnerabilities fixed in Firefox 78 Announced June 30, 2020 Impact high Products Firefox Fixed in Firefox 78 ...

CWE-787 https://www.mozilla.org/security/advisories/mfsa2020-24/https://bugzilla.mozilla.org/buglist.cgi?bug_id=1608068%2C1609951%2C1631187%2C1637682 http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html https://security.gentoo.org/glsa/202007-10 https://nvd.nist.gov https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/

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CVE-2020-12426

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