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CVE-2011-3650

31
FAUCET Score

CVE-2011-3650 describes a denial-of-service vulnerability affecting Mozilla Firefox versions before 3.6.24 and 4.x through 7.0, and Thunderbird versions before 3.1.6 and 5.0 through 7.0. The flaw arises from improper handling of JavaScript files with numerous functions when accessed by debugging APIs like Firebug. This vulnerability carries a critical CVSS score of 9.3, indicating a network-based attack with medium complexity that could lead to complete compromise of confidentiality, integrity, and availability (memory corruption and application crash). While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion with 10 mentions, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.6.23CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.1:*:*:*:*:*:*:*
0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.2:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.3:*:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.4:*:*:*:*:*:*:*

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
2.33%
Probability of exploitation in next 30 days
EPSS Percentile
81.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0233 is in the 39th percentile among its peer group of 8,913 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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 (9)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:3.1.16-2.el6_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.6.24-3.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.6.24-3.el5_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.2.24-2.el5_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:3.6.24-3.el6_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:1.9.2.24-2.el6_1.1
View patch
mozillavendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.1Fixed in: firefox
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.1Fixed in: thunderbird

Vendor Advisories (1)

redhatCVE-2011-3650Moderate

Mozilla: crash while profiling page with many functions (MFSA 2011-49)

Nov 8, 2011

References

lists.opensuse.org / opensuse-security-announce/2011-11/msg00020.html
bugzilla.mozilla.org / show_bug.cgi
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13870
mozilla.org / security/announce/2011/mfsa2011-49.html
Vendor Advisory
redhat.com / support/errata/RHSA-2011-1439.html