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CVE-2010-2753

27
FAUCET Score

CVE-2010-2753 describes an integer overflow vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey. This flaw allows remote attackers to execute arbitrary code by exploiting a large selection attribute in a XUL tree element, leading to a use-after-free condition. With a CVSS score of 8.8 (HIGH), this vulnerability has a network attack vector, low complexity, and can result in high impacts to confidentiality, integrity, and availability if successfully exploited. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.5, < 3.5.11CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
>= 3.6, < 3.6.7CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.0.6CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
>= 3.0, < 3.0.6CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.67%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0667 is in the 93rd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.2.7-2.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.57.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-28.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-60.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.6.7-2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:2.0.0.24-6.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.6.7-2.el5
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2010-2753Critical

Mozilla nsTreeSelection dangling pointer remote code execution vulnerability

Jul 20, 2010

References

lists.opensuse.org / opensuse-security-announce/2010-10/msg00002.html
Mailing ListThird Party Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue Tracking
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10958
Broken Link
mozilla.org / security/announce/2010/mfsa2010-40.html
Vendor Advisory
securityfocus.com / archive/1/512510
Broken LinkThird Party AdvisoryVDB Entry
securityfocus.com / bid/41853
Broken LinkThird Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-10-131
Third Party AdvisoryVDB Entry