CVE-2019-11723

HIGH
7.5
CVSS Score
Published: July 23, 2019 at 01:17 PM UTC
Updated: June 17, 2026 at 02:13 AM UTC
2 products affected across 2 vendorsFirefoxLeap

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%

Description

A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. This could leak cookies in private browsing mode or across different "containers" for people who use the Firefox Multi-Account Containers Web Extension. This vulnerability affects Firefox < 68.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 68
Affected range stops below 68, so it looks safe — our inference, not a vendor statement
Affected range stops below 68.0, so it looks safe — our inference, not a vendor statement

References (7)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1528335
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/201908-12

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-346

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