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CVE-2013-0779

31
FAUCET Score

CVE-2013-0779 describes an out-of-bounds read vulnerability in the nsCodingStateMachine::NextState function of Mozilla Firefox, Thunderbird, and SeaMonkey, allowing remote attackers to execute arbitrary code or cause a denial of service. This vulnerability carries a critical CVSS score of 9.3, indicating a high potential for impact with complete compromise of confidentiality, integrity, and availability, and can be exploited remotely with medium attack complexity. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 17.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 19.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.16CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
< 17.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
< 17.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.03%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0503 is in the 59th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mozillapatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-0779Critical

Mozilla: Use-after-free, out of bounds read, and buffer overflow issues found using Address Sanitizer (MFSA 2013-28)

Feb 19, 2013

References

lists.opensuse.org / opensuse-security-announce/2013-02/msg00017.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2013-02/msg00062.html
Mailing ListThird Party Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingPatchVendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16747
Third Party Advisory
mozilla.org / security/announce/2013/mfsa2013-28.html
Vendor Advisory
ubuntu.com / usn/USN-1729-1
Third Party Advisory
ubuntu.com / usn/USN-1729-2
Third Party Advisory
ubuntu.com / usn/USN-1748-1
Third Party Advisory