Vulnerability Monitor

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CVE-2020-15659

Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. 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 < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.

Published

2020-08-10T18:15:12.700

Last Modified

2024-11-21T05:05:57.763

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 79.0	Yes
Application	mozilla	firefox_esr	< 68.11	Yes
Application	mozilla	firefox_esr	< 78.1.0	Yes
Application	mozilla	thunderbird	< 68.11	Yes
Application	mozilla	thunderbird	< 78.1.0	Yes
Operating System	opensuse	leap	15.1	Yes
Operating System	opensuse	leap	15.2	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	20.04	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html Mailing List, Patch, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html Mailing List, Patch, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html Mailing List, Patch, Third Party Advisory ([email protected])
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1550133%2C1633880%2C1643613%2C1644839%2C1645835%2C1646006%2C1646787%2C1649347%2C1650811%2C1651678 Issue Tracking, Permissions Required, Vendor Advisory ([email protected])
https://usn.ubuntu.com/4443-1/ Patch, Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-30/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-31/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-32/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-33/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-35/ Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1550133%2C1633880%2C1643613%2C1644839%2C1645835%2C1646006%2C1646787%2C1649347%2C1650811%2C1651678 Issue Tracking, Permissions Required, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4443-1/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-30/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-31/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-32/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-33/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-35/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)