CVE-2015-7182

Heap-based buffer overflow in the ASN.1 decoder 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, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted OCTET STRING data.

Published: 2015-11-05 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-7182 is rated High Risk (71.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.24%, 95th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-7182

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 11.04% 10.24% -0.81%
2 2026-03-03 12.32% 11.04% -1.28%
3 2026-02-21 — 12.32% —

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7182

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-7182

OS Trackers for CVE-2015-7182

vendor priority summary link
debian not yet assigned CVE-2015-7182 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-7182
gentoo normal CVE-2015-7182: 2 GLSA(s) (201512-10, 201605-06), 6 atom(s) (dev-libs/nspr, dev-libs/nss, mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-7182
redhat critical — https://access.redhat.com/security/cve/CVE-2015-7182
suse high CVE-2015-7182 severity important: SUSE including 412 source package names (MozillaFirefox, MozillaFirefox-102.11.0-150200.152.87.1, …), 780 product×package rows across 101 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (101 product lines)): Fixed 731, Known Not Affected 49. https://www.suse.com/security/cve/CVE-2015-7182/
ubuntu medium CVE-2015-7182 medium priority: Ubuntu including 3 source packages (firefox, nss, thunderbird), 15 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 15. https://ubuntu.com/security/CVE-2015-7182

Affected software / configurations for CVE-2015-7182

Vendor Product Version Raw CPE
oracle traffic_director 11.1.1.7.0 cpe:2.3:a:oracle:traffic_director:11.1.1.7.0:*:*:*:*:*:*:*
oracle traffic_director 11.1.1.9.0 cpe:2.3:a:oracle:traffic_director:11.1.1.9.0:*:*:*:*:*:*:*
oracle opensso 3.0-0.7 cpe:2.3:a:oracle:opensso:3.0-0.7:*:*:*:*:*:*:*
oracle iplanet_web_proxy_server 4.0 cpe:2.3:a:oracle:iplanet_web_proxy_server:4.0:*:*:*:*:*:*:*
mozilla firefox 38.0 cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*
mozilla firefox 38.0.1 cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*
mozilla firefox 38.0.5 cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*
mozilla firefox 38.1.0 cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*
mozilla firefox 38.1.1 cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:*
mozilla firefox 38.2.0 cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:*
mozilla firefox 38.2.1 cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:*
mozilla firefox 38.3.0 cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:*
oracle glassfish_server 2.1.1 cpe:2.3:a:oracle:glassfish_server:2.1.1:*:*:*:*:*:*:*
mozilla network_security_services <= 3.19.2.0 cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
mozilla network_security_services 3.20.0 cpe:2.3:a:mozilla:network_security_services:3.20.0:*:*:*:*:*:*:*
oracle iplanet_web_server 7.0 cpe:2.3:a:oracle:iplanet_web_server:7.0:*:*:*:*:*:*:*
mozilla firefox <= 41.0.2 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

References for CVE-2015-7182

URL Tags
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 Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html Patch
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=1202868
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.2.1_release_notes Vendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19.4_release_notes Vendor Advisory
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.20.1_release_notes Vendor Advisory
https://security.gentoo.org/glsa/201512-10
https://security.gentoo.org/glsa/201605-06
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