CVE-2018-5131

5.9 MEDIUM
Published: June 11, 2018 Modified: November 25, 2025

Description

Under certain circumstances the "fetch()" API can return transient local copies of resources that were sent with a "no-store" or "no-cache" cache header instead of downloading a copy from the network as it should. This can result in previously stored, locally cached data of a website being accessible to users if they share a common profile while browsing. This vulnerability affects Firefox ESR < 52.7 and Firefox < 59.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/103388
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040514
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:0526
Source: security@mozilla.org
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0527
Source: security@mozilla.org
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1440775
Source: security@mozilla.org
Issue Tracking Permissions Required Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00010.html
Source: security@mozilla.org
Third Party Advisory
https://security.gentoo.org/glsa/201810-01
Source: security@mozilla.org
Third Party Advisory
https://usn.ubuntu.com/3596-1/
Source: security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2018/dsa-4139
Source: security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-07/
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/103388
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040514
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:0526
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0527
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1440775
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Permissions Required Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00010.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.gentoo.org/glsa/201810-01
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://usn.ubuntu.com/3596-1/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2018/dsa-4139
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-07/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.9 / 10.0
EPSS (Exploit Probability)
1.3%
79th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

mozilla debian redhat canonical