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CVE-2019-9800

Date: July 23, 2019

Mozilla developers and community members reported memory safety bugs present in Firefox 66, Firefox ESR 60.6, and Thunderbird 60.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Language: Unix

Severity Score

Related Resources (10)

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1540166%2C1534593%2C1546327%2C1540136%2C1538736%2C1538042%2C1535612%2C1499719%2C1499108%2C1538619%2C1535194%2C1516325%2C1542324%2C1542097%2C1532465%2C1533554%2C1541580
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-9800
https://nvd.nist.gov/vuln/detail/CVE-2019-9800
https://access.redhat.com/security/cve/CVE-2019-9800
https://security-tracker.debian.org/tracker/CVE-2019-9800
https://www.mozilla.org/security/advisories/mfsa2019-14/
https://www.mozilla.org/security/advisories/mfsa2019-13/
https://security.alpinelinux.org/vuln/CVE-2019-9800
https://www.mozilla.org/security/advisories/mfsa2019-15/
https://www.mend.io/vulnerability-database/CVE-2019-9800

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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