CVE-2013-1686

Use-after-free vulnerability in the mozilla::ResetDir function in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Published: 2013-06-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-1686 is rated High Risk (75/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.40%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.95% over the last day, indicating growing attacker interest. 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-2013-1686

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 2.45% 5.40% +2.95%
2 2025-12-28 1.77% 2.45% +0.68%
3 2025-03-30 — 1.77% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1686

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2013-1686

OS Trackers for CVE-2013-1686

vendor priority summary link
redhat critical — https://access.redhat.com/security/cve/CVE-2013-1686
suse critical CVE-2013-1686 severity critical: SUSE including 65 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-17.0.7esr-0.3.1, …), 102 product×package rows across 38 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 11 SP3, … (38 product lines)): Fixed 102. https://www.suse.com/security/cve/CVE-2013-1686/
ubuntu medium CVE-2013-1686 medium priority: Ubuntu including 4 source packages (firefox, seamonkey, thunderbird, xulrunner-1.9.2), 20 status rows across 5 suites (lucid, precise, quantal, raring, upstream): released 8, DNE 6, ignored 4, needs-triage 2. https://ubuntu.com/security/CVE-2013-1686

Affected software / configurations for CVE-2013-1686

Vendor Product Version Raw CPE
mozilla firefox <= 21.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox 19.0 cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:*
mozilla firefox 19.0.1 cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:*
mozilla firefox 19.0.2 cpe:2.3:a:mozilla:firefox:19.0.2:*:*:*:*:*:*:*
mozilla firefox 20.0 cpe:2.3:a:mozilla:firefox:20.0:*:*:*:*:*:*:*
mozilla firefox 20.0.1 cpe:2.3:a:mozilla:firefox:20.0.1:*:*:*:*:*:*:*
mozilla firefox 17.0 cpe:2.3:a:mozilla:firefox:17.0:*:*:*:*:*:*:*
mozilla firefox 17.0.1 cpe:2.3:a:mozilla:firefox:17.0.1:*:*:*:*:*:*:*
mozilla firefox 17.0.2 cpe:2.3:a:mozilla:firefox:17.0.2:*:*:*:*:*:*:*
mozilla firefox 17.0.3 cpe:2.3:a:mozilla:firefox:17.0.3:*:*:*:*:*:*:*
mozilla firefox 17.0.4 cpe:2.3:a:mozilla:firefox:17.0.4:*:*:*:*:*:*:*
mozilla firefox 17.0.5 cpe:2.3:a:mozilla:firefox:17.0.5:*:*:*:*:*:*:*
mozilla firefox 17.0.6 cpe:2.3:a:mozilla:firefox:17.0.6:*:*:*:*:*:*:*
mozilla thunderbird <= 17.0.6 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird 17.0 cpe:2.3:a:mozilla:thunderbird:17.0:*:*:*:*:*:*:*
mozilla thunderbird 17.0.1 cpe:2.3:a:mozilla:thunderbird:17.0.1:*:*:*:*:*:*:*
mozilla thunderbird 17.0.2 cpe:2.3:a:mozilla:thunderbird:17.0.2:*:*:*:*:*:*:*
mozilla thunderbird 17.0.3 cpe:2.3:a:mozilla:thunderbird:17.0.3:*:*:*:*:*:*:*
mozilla thunderbird 17.0.4 cpe:2.3:a:mozilla:thunderbird:17.0.4:*:*:*:*:*:*:*
mozilla thunderbird 17.0.5 cpe:2.3:a:mozilla:thunderbird:17.0.5:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0 cpe:2.3:a:mozilla:thunderbird_esr:17.0:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.1 cpe:2.3:a:mozilla:thunderbird_esr:17.0.1:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.2 cpe:2.3:a:mozilla:thunderbird_esr:17.0.2:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.3 cpe:2.3:a:mozilla:thunderbird_esr:17.0.3:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.4 cpe:2.3:a:mozilla:thunderbird_esr:17.0.4:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.5 cpe:2.3:a:mozilla:thunderbird_esr:17.0.5:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.6 cpe:2.3:a:mozilla:thunderbird_esr:17.0.6:*:*:*:*:*:*:*

References for CVE-2013-1686

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00011.html
http://rhn.redhat.com/errata/RHSA-2013-0981.html
http://rhn.redhat.com/errata/RHSA-2013-0982.html
http://www.debian.org/security/2013/dsa-2716
http://www.debian.org/security/2013/dsa-2720
http://www.mozilla.org/security/announce/2013/mfsa2013-50.html Vendor Advisory
http://www.ubuntu.com/usn/USN-1890-1
http://www.ubuntu.com/usn/USN-1891-1
https://bugzilla.mozilla.org/show_bug.cgi?id=876155
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16576
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