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CVE-2019-17012

Date: January 8, 2020

Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. 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 < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Severity Score

Related Resources (18)

https://usn.ubuntu.com/4335-1/
https://security-tracker.debian.org/tracker/CVE-2019-17012
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1449736%2C1533957%2C1560667%2C1567209%2C1580288%2C1585760%2C1592502
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
https://access.redhat.com/errata/RHSA-2020:0295
https://www.mozilla.org/security/advisories/mfsa2019-36/
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
https://access.redhat.com/security/cve/CVE-2019-17012
https://www.mozilla.org/security/advisories/mfsa2019-38/
https://www.mozilla.org/security/advisories/mfsa2019-37/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-17012
https://security.alpinelinux.org/vuln/CVE-2019-17012
https://nvd.nist.gov/vuln/detail/CVE-2019-17012
https://usn.ubuntu.com/4241-1/
https://security.gentoo.org/glsa/202003-02
https://access.redhat.com/errata/RHSA-2020:0292
https://security.gentoo.org/glsa/202003-10
https://www.mend.io/vulnerability-database/CVE-2019-17012

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

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

CVSS v2

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

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