CVE-2020-12395
Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Los desarrolladores de Mozilla y los miembros de la comunidad informaron bugs de seguridad de la memoria presentes en Firefox versión 75 y Firefox ESR versión 68.7. Algunos de estos errores mostraron evidencia de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 68.8, Firefox versiones anteriores a 76 y Thunderbird versiones anteriores a 68.8.0.
Memory safety flaws were found in Mozilla Firefox and Thunderbird. Memory corruption that an attacker could leverage with enough effort, could allow arbitrary code to run. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-04-28 CVE Reserved
- 2020-05-06 CVE Published
- 2024-08-04 CVE Updated
- 2024-09-19 EPSS 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 (9)
URL | Tag | Source |
---|---|---|
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1595886%2C1611482%2C1614704%2C1624098%2C1625749%2C1626382%2C1628076%2C1631508 | Broken Link | |
https://security.gentoo.org/glsa/202005-03 | Third Party Advisory | |
https://security.gentoo.org/glsa/202005-04 | Third Party Advisory |
URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
---|---|---|
https://usn.ubuntu.com/4373-1 | 2022-04-26 | |
https://www.mozilla.org/security/advisories/mfsa2020-16 | 2022-04-26 | |
https://www.mozilla.org/security/advisories/mfsa2020-17 | 2022-04-26 | |
https://www.mozilla.org/security/advisories/mfsa2020-18 | 2022-04-26 | |
https://access.redhat.com/security/cve/CVE-2020-12395 | 2020-05-11 | |
https://bugzilla.redhat.com/show_bug.cgi?id=1831765 | 2020-05-11 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Mozilla Search vendor "Mozilla" | Firefox Search vendor "Mozilla" for product "Firefox" | < 76.0 Search vendor "Mozilla" for product "Firefox" and version " < 76.0" | - |
Affected
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Mozilla Search vendor "Mozilla" | Firefox Esr Search vendor "Mozilla" for product "Firefox Esr" | < 68.8.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 68.8.0" | - |
Affected
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Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 68.8.0 Search vendor "Mozilla" for product "Thunderbird" and version " < 68.8.0" | - |
Affected
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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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Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04" | lts |
Affected
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