Vulnerability Monitor

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CVE-2020-12395

Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. 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 ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Published

2020-05-26T17:15:10.323

Last Modified

2024-11-21T04:59:38.110

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 76.0	Yes
Application	mozilla	firefox_esr	< 68.8.0	Yes
Application	mozilla	thunderbird	< 68.8.0	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	19.10	Yes
Operating System	canonical	ubuntu_linux	20.04	Yes

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 Broken Link, Issue Tracking ([email protected])
https://security.gentoo.org/glsa/202005-03 Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202005-04 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4373-1/ Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 Broken Link, Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202005-03 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202005-04 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4373-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-16/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-17/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)