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CVE-2019-9811

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Date: July 23, 2019

As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

Language: Unix

Severity Score

Related Resources (21)

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-9811
https://bugzilla.mozilla.org/show_bug.cgi?id=1539598
https://security.gentoo.org/glsa/201908-20
https://www.mozilla.org/security/advisories/mfsa2019-21/
https://nvd.nist.gov/vuln/detail/CVE-2019-9811
https://access.redhat.com/security/cve/CVE-2019-9811
https://security-tracker.debian.org/tracker/CVE-2019-9811
https://www.mozilla.org/security/advisories/mfsa2019-23/
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
https://www.mozilla.org/security/advisories/mfsa2019-22/
https://bugzilla.mozilla.org/show_bug.cgi?id=1538007
https://security.gentoo.org/glsa/201908-12
https://security.alpinelinux.org/vuln/CVE-2019-9811
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1563327
https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html
https://www.mend.io/vulnerability-database/CVE-2019-9811

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

Top Fix

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Upgrade Version

Upgrade to version firefox - 68.0-1

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CVSS v3.1

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

CVSS v2

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

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