CVE-2015-4495

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.

Score: CVSS 3.1 8.8 High
Status: Analyzed - security@mozilla.org
Published: 2015-08-08
Last modified: 2025-10-21
Known exploited (CISA KEV): since 2022-05-25, action due 2022-06-15: Apply updates per vendor instructions.
Weaknesses: CWE-346

Affected products

References

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
http://rhn.redhat.com/errata/RHSA-2015-1581.html
http://www.mozilla.org/security/announce/2015/mfsa2015-78.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/76249
http://www.securitytracker.com/id/1033216
http://www.ubuntu.com/usn/USN-2707-1
https://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/
https://bugzilla.mozilla.org/show_bug.cgi?id=1178058
https://bugzilla.mozilla.org/show_bug.cgi?id=1179262
https://security.gentoo.org/glsa/201512-10
https://www.exploit-db.com/exploits/37772/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495