CVE-2020-6814
Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. 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 Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Los desarrolladores de Mozilla reportaron bugs de seguridad de la memoria presentes en Firefox y Thunderbird versión 68.5. Algunos de estos bugs mostraron evidencia de corrupción de la memoria y presumimos que con un esfuerzo suficiente algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 68.6, Firefox versiones anteriores a 74, Firefox versiones anteriores a ESR68.6 y Firefox ESR versiones anteriores a 68.6.
The Mozilla Foundation Security Advisory describes this flaw as:
Mozilla developers and community members reported memory safety bugs present in Firefox 73 and Firefox ESR 68.5. 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.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-01-10 CVE Reserved
- 2020-03-12 CVE Published
- 2024-07-19 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-787: Out-of-bounds Write
CAPEC
References (8)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1592078%2C1604847%2C1608256%2C1612636%2C1614339 | 2022-04-18 | |
| https://usn.ubuntu.com/4328-1 | 2022-04-18 | |
| https://usn.ubuntu.com/4335-1 | 2022-04-18 | |
| https://www.mozilla.org/security/advisories/mfsa2020-08 | 2022-04-18 | |
| https://www.mozilla.org/security/advisories/mfsa2020-09 | 2022-04-18 | |
| https://www.mozilla.org/security/advisories/mfsa2020-10 | 2022-04-18 | |
| https://access.redhat.com/security/cve/CVE-2020-6814 | 2020-03-23 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1812205 | 2020-03-23 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mozilla Search vendor "Mozilla" | Firefox Search vendor "Mozilla" for product "Firefox" | < 74.0 Search vendor "Mozilla" for product "Firefox" and version " < 74.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Firefox Esr Search vendor "Mozilla" for product "Firefox Esr" | < 68.6.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 68.6.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 68.6.0 Search vendor "Mozilla" for product "Thunderbird" and version " < 68.6.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | esm |
Affected
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| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
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| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10" | - |
Affected
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