CVEvulnerability
CVE-2020-15659
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-08-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
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.
Affected configurations
• mozilla firefox (< 79.0)
• mozilla firefox esr (< 68.11)
• mozilla firefox esr (>= 78.0 < 78.1.0)
• mozilla thunderbird (< 68.11)
• mozilla thunderbird (>= 78.0.1 < 78.1.0)
• opensuse leap 15.1
• opensuse leap 15.2
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html Mailing List, Patch, Third Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1550133%2C1633880%2C1643613%2C1644839%2C1645835%2C1646006%2C1646787%2C1649347%2C1650811%2C1651678 Issue Tracking, Permissions Required, Vendor Advisory
- https://usn.ubuntu.com/4443-1/ Patch, Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-30/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-31/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-32/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-33/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-35/ Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html Mailing List, Patch, Third Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1550133%2C1633880%2C1643613%2C1644839%2C1645835%2C1646006%2C1646787%2C1649347%2C1650811%2C1651678 Issue Tracking, Permissions Required, Vendor Advisory
- https://usn.ubuntu.com/4443-1/ Patch, Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-30/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-31/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-32/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-33/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-35/ Vendor Advisory