CVE-2010-2752

Mozilla Firefox <3.5.11 & <3.6.7 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2010-2752. PoCs published by Abysssec.

AI-analyzed exploit summary This exploit generates a malicious CSS file that triggers a heap overflow in Mozilla Firefox via a specially crafted @font-face rule with excessive URL references. The vulnerability allows remote code execution due to improper memory handling in the font parsing logic.

Description

Integer overflow in an array class 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 by placing many Cascading Style Sheets (CSS) values in an array, related to references to external font resources and an inconsistency between 16-bit and 32-bit integers.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Abysssec · pythondoswindows
https://www.exploit-db.com/exploits/15104

This exploit generates a malicious CSS file that triggers a heap overflow in Mozilla Firefox via a specially crafted @font-face rule with excessive URL references. The vulnerability allows remote code execution due to improper memory handling in the font parsing logic.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox (versions prior to fix for CVE-2010-2752)
No auth needed
Prerequisites: Victim must visit a malicious webpage or open a crafted CSS file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11680
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/41852
Third Party Advisory x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-10-133/
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/512514
Issue Tracking x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=574059

Scores

EPSS 0.0978
EPSS Percentile 94.9%

Details

CWE
CWE-189
Status published
Products (46)
mozilla/firefox 3.5.1
mozilla/firefox 3.5.2
mozilla/firefox 3.5.3
mozilla/firefox 3.5.4
mozilla/firefox 3.5.5
mozilla/firefox 3.5.6
mozilla/firefox 3.5.7
mozilla/firefox 3.5.9
mozilla/firefox 3.5.10
mozilla/firefox 3.6.1
... and 36 more
Published Jul 30, 2010
Tracked Since Feb 18, 2026