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CVE-2011-3665

25
FAUCET Score

CVE-2011-3665 is a denial-of-service vulnerability affecting Mozilla Firefox versions 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6. It allows remote attackers to crash the application or potentially have other unspecified impacts by manipulating Ogg VIDEO elements after scaling. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low access complexity, and potential for partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta1:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta10:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta11:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.65%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0265 is in the 72nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2011-3665Critical

Mozilla: Multiple security flaws fixed in v3.6.25 (Mac) and v9

Dec 20, 2011

References

lists.opensuse.org / opensuse-security-announce/2012-01/msg00001.html
lists.opensuse.org / opensuse-security-announce/2012-01/msg00009.html
osvdb.org / 77956
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/47302
secunia.com / advisories/47334
exchange.xforce.ibmcloud.com / vulnerabilities/71913
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14640
mandriva.com / security/advisories
mozilla.org / security/announce/2011/mfsa2011-58.html
Vendor Advisory
securitytracker.com / id
securitytracker.com / id
securitytracker.com / id