CVE-2013-0779

Exp

The nsCodingStateMachine::NextState function in Mozilla Firefox before 19.0, Thunderbird before 17.0.3, and SeaMonkey before 2.16 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via unspecified vectors.

Published: 2013-02-19 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-0779 is rated High Exploit Risk (87.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.03%, 91th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.63% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2013-0779

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-0779

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 1.40% 5.03% +3.63%
2 2026-02-25 2.36% 1.40% -0.96%
3 2025-03-30 — 2.36% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0779

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-2013-0779

OS Trackers for CVE-2013-0779

vendor priority summary link
gentoo high CVE-2013-0779: 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-2013-0779
redhat critical — https://access.redhat.com/security/cve/CVE-2013-0779
suse critical CVE-2013-0779 severity critical: SUSE including 49 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-31.1.0esr-1.20, …), 65 product×package rows across 27 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (27 product lines)): Fixed 65. https://www.suse.com/security/cve/CVE-2013-0779/
ubuntu medium CVE-2013-0779 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-2013-0779

Affected software / configurations for CVE-2013-0779

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:*:*:*:*:*:*:*
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-2013-0779

cvelogic Threat Intelligence