Vulnerability Report

CVE-2015-7181

Title: Mozilla Firefox RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2015-7181.

CWE Category CWE-119

Published Date Nov 05, 2015

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 7.5 CVSS v2.0

Exploit Probability (EPSS)

7.51%

Vulnerability Summary

CVE-2015-7181: The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data structure, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted OCTET STRING data, related to a "use-after-poison" issue.

Impacted Vendors

mozilla 2

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html http://packetstormsecurity.com/files/134268/Slackware-Security-Advisory-mozilla-nss-Updates.html http://rhn.redhat.com/errata/RHSA-2015-1980.html http://rhn.redhat.com/errata/RHSA-2015-1981.html http://www.debian.org/security/2015/dsa-3393 http://www.debian.org/security/2015/dsa-3410 http://www.debian.org/security/2016/dsa-3688 http://www.mozilla.org/security/announce/2015/mfsa2015-133.html http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/77416 http://www.securityfocus.com/bid/91787 http://www.securitytracker.com/id/1034069 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.399753 http://www.ubuntu.com/usn/USN-2785-1 http://www.ubuntu.com/usn/USN-2791-1 http://www.ubuntu.com/usn/USN-2819-1 https://bto.bluecoat.com/security-advisory/sa119 https://bugzilla.mozilla.org/show_bug.cgi?id=1192028 https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.1_release_notes https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.4_release_notes https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.20.1_release_notes https://security.gentoo.org/glsa/201512-10 https://security.gentoo.org/glsa/201605-06 http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html http://packetstormsecurity.com/files/134268/Slackware-Security-Advisory-mozilla-nss-Updates.html http://rhn.redhat.com/errata/RHSA-2015-1980.html http://rhn.redhat.com/errata/RHSA-2015-1981.html http://www.debian.org/security/2015/dsa-3393 http://www.debian.org/security/2015/dsa-3410 http://www.debian.org/security/2016/dsa-3688 http://www.mozilla.org/security/announce/2015/mfsa2015-133.html http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/77416 http://www.securityfocus.com/bid/91787 http://www.securitytracker.com/id/1034069 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.399753 http://www.ubuntu.com/usn/USN-2785-1 http://www.ubuntu.com/usn/USN-2791-1 http://www.ubuntu.com/usn/USN-2819-1 https://bto.bluecoat.com/security-advisory/sa119 https://bugzilla.mozilla.org/show_bug.cgi?id=1192028 https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.1_release_notes https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.4_release_notes https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.20.1_release_notes https://security.gentoo.org/glsa/201512-10 https://security.gentoo.org/glsa/201605-06

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-7181 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

November 05, 2015 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.