CVE-2010-1214

Mozilla Firefox <3.5.11 & SeaMonkey <2.0.6 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2010-1214. PoCs published by Abysssec, J23.

AI-analyzed exploit summary This exploit generates an HTML file with a malicious Java applet that triggers a heap overflow in Firefox 3.6.4 via excessive PARAM elements, leading to remote code execution. The vulnerability is in the EnsureCachedAttrParamArrays function.

Description

Integer overflow in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, and SeaMonkey before 2.0.6, allows remote attackers to execute arbitrary code via plugin content with many parameter elements.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Abysssec · pythondoswindows
https://www.exploit-db.com/exploits/15027

This exploit generates an HTML file with a malicious Java applet that triggers a heap overflow in Firefox 3.6.4 via excessive PARAM elements, leading to remote code execution. The vulnerability is in the EnsureCachedAttrParamArrays function.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox 3.6.4
No auth needed
Prerequisites: Victim must visit the crafted HTML page with a vulnerable Firefox version
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WRITEUP VERIFIED
by J23 · textremotelinux
https://www.exploit-db.com/exploits/34358

This is a vulnerability writeup for CVE-2020-1214, describing a buffer overflow in Mozilla Firefox and SeaMonkey. It lacks exploit code but provides details on affected versions and fixes.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: Mozilla Firefox < 3.6.7, Firefox < 3.5.11, SeaMonkey < 2.0.6
No auth needed
Prerequisites: Victim must visit a malicious webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
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%3A11685
Issue Tracking x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=572985

Scores

EPSS 0.0759
EPSS Percentile 93.8%

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