What’s Vulnerable › Vulnerabilities

CVE-2010-2753

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-07-30 · updated 2026-06-16
• Weakness: CWE-190

Description

Integer overflow in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, Thunderbird 3.0.x before 3.0.6 and 3.1.x before 3.1.1, and SeaMonkey before 2.0.6 allows remote attackers to execute arbitrary code via a large selection attribute in a XUL tree element, which triggers a use-after-free.

Affected products

• Mozilla Firefox: from 3.5 before 3.5.11; from 3.6 before 3.6.7 — fixed in 3.5.11, 3.6.7
• Mozilla Seamonkey: before 2.0.6 — fixed in 2.0.6
• Mozilla Thunderbird: from 3.0 before 3.0.6; 3.1 — fixed in 3.0.6
• Opensuse: 11.1, 11.2, 11.3
• SUSE Linux Enterprise Server 15 SP1: 11, 11-sp1
• SUSE Linux Enterprise Server: 11, 11-sp1
• SUSE Linux Enterprise Software Development Kit: 11, 11-sp1

How to fix

Upgrade to a fixed version: Mozilla Firefox 3.5.11, 3.6.7; Mozilla Seamonkey 2.0.6; Mozilla Thunderbird 3.0.6. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00002.html
• http://www.mozilla.org/security/announce/2010/mfsa2010-40.html
• http://www.securityfocus.com/archive/1/512510
• http://www.securityfocus.com/bid/41853
• http://www.zerodayinitiative.com/advisories/ZDI-10-131/
• https://bugzilla.mozilla.org/show_bug.cgi?id=571106
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10958
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00002.html
• http://www.mozilla.org/security/announce/2010/mfsa2010-40.html
• http://www.securityfocus.com/archive/1/512510
• http://www.securityfocus.com/bid/41853
• http://www.zerodayinitiative.com/advisories/ZDI-10-131/

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