CVE-2015-4495

high

Description

The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypass the Same Origin Policy, and read arbitrary files or gain privileges, via vectors involving crafted JavaScript code and a native setter, as exploited in the wild in August 2015.

References

https://security.gentoo.org/glsa/201512-10

http://www.ubuntu.com/usn/USN-2707-1

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

http://rhn.redhat.com/errata/RHSA-2015-1581.html

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00009.html

https://www.exploit-db.com/exploits/37772/

https://github.com/vincd/CVE-2015-4495

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495

https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-4515

https://bugzilla.mozilla.org/show_bug.cgi?id=1179262

https://bugzilla.mozilla.org/show_bug.cgi?id=1178058

https://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/

http://www.securitytracker.com/id/1033216

http://www.securityfocus.com/bid/76249

http://www.mozilla.org/security/announce/2015/mfsa2015-78.html

Details

Source: Mitre, NVD

Published: 2015-08-08

Updated: 2026-06-17

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.68558