CVE-2013-0782

Heap-based buffer overflow in the nsSaveAsCharset::DoCharsetConversion function in Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allows remote attackers to execute arbitrary code via unspecified vectors.

Published: 2013-02-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0782 is rated High Risk (71.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.36%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.48% over the last day, indicating growing attacker interest. Mandatory action: 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-2013-0782

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 2.89% 5.36% +2.48%
2 2025-03-30 12.03% 2.89% -9.14%
3 2025-03-29 12.03%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0782

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2013-0782

OS Trackers for CVE-2013-0782

vendor priority summary link
gentoo high CVE-2013-0782: 1 GLSA(s) (201309-23), 6 atom(s) (mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin, www-client/seamonkey, www-client/seamonkey-bin); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-0782
redhat critical https://access.redhat.com/security/cve/CVE-2013-0782
suse critical CVE-2013-0782 severity critical: SUSE including 94 source package names (MozillaFirefox, MozillaFirefox-140.2.0-160000.1.2, …), 134 product×package rows across 35 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 12, … (35 product lines)): Fixed 133, Known Not Affected 1. https://www.suse.com/security/cve/CVE-2013-0782/
ubuntu medium CVE-2013-0782 medium priority: Ubuntu including 5 source packages (firefox, seamonkey, thunderbird, xulrunner-1.9.2, xulrunner-2.0), 40 status rows across 8 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, upstream): DNE 16, released 11, ignored 7, not-affected 4, needs-triage 2. https://ubuntu.com/security/CVE-2013-0782

Affected software / configurations for CVE-2013-0782

Vendor Product Version Raw CPE
mozilla firefox < 17.0.3 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox < 19.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla seamonkey < 2.16 cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla thunderbird < 17.0.3 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird_esr < 17.0.3 cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*
opensuse opensuse 11.4 cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
opensuse opensuse 12.1 cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*
opensuse opensuse 12.2 cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
redhat enterprise_linux_aus 5.9 cpe:2.3:o:redhat:enterprise_linux_aus:5.9:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 5.0 cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 5.9 cpe:2.3:o:redhat:enterprise_linux_eus:5.9:*:*:*:*:*:*:*
redhat enterprise_linux_eus 6.3 cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:*
redhat enterprise_linux_server 5.0 cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 5.0 cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
canonical ubuntu_linux 10.04 cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
canonical ubuntu_linux 11.10 cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 12.10 cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*

References for CVE-2013-0782

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0271.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0272.html Third Party Advisory
http://www.debian.org/security/2013/dsa-2699 Third Party Advisory
http://www.mozilla.org/security/announce/2013/mfsa2013-28.html Vendor Advisory
http://www.ubuntu.com/usn/USN-1729-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-1729-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-1748-1 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=827070 Issue Tracking Patch Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16906 Third Party Advisory
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