CVE-2018-5157

Name: CVE-2018-5157
Creator: NVD / NIST
Published: 2018-06-11T21:29:15.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.56%

Last modified Jun 17, 2026

CVE-2018-5157 is a vulnerability of currently unknown severity. Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer. This could allow the site to retrieve PDF files restricted to viewing by an authenticated user on a third-party website. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer. This could allow the site to retrieve PDF files restricted to viewing by an authenticated user on a third-party website. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.

Metrics

EPSS Probability

1.56%

72.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Canonical	Ubuntu Linux	18.04
Mozilla	Firefox	< 52.8.0
Mozilla	Firefox	< 60.0

References

http://www.securityfocus.com/bid/104136Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040896Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1414Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1415Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1449898Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2018/05/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201810-01Third Party Advisory
https://usn.ubuntu.com/3645-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4199Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-11/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-12/Vendor Advisory
http://www.securityfocus.com/bid/104136Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040896Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1414Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1415Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1449898Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2018/05/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201810-01Third Party Advisory
https://usn.ubuntu.com/3645-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4199Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-11/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-12/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5157?

How severe is CVE-2018-5157?

Severity scoring for CVE-2018-5157 is pending analysis. The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5157?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-5157?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST