Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
7.5

Firefox, Thunderbird, SeaMonkey may run malicious code

CVE-2012-0464 · published 14 years ago
Summary

Certain older versions of Firefox, Thunderbird, Thunderbird ESR, and SeaMonkey have a flaw that could let a remote attacker make the program execute unwanted code. This happens when specially crafted web content triggers a memory handling error. Upgrade to the latest versions of these applications as soon as possible to protect your systems.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
mozilla firefox <= 3.6.27
>= 4.0, <= 10.0
10.0
10.0.1
10.0.2
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla thunderbird >= 1.0, <= 3.1.19
> 5.0, <= 10.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird_esr 10.0
10.0.1
10.0.2
cpe:2.3:a:mozilla:thunderbird_esr:10.0:*:*:*:*:*:*:*
mozilla seamonkey 1.0
1.0.1
1.0.2
1.0.3
1.0.4
1.0.5
1.0.6
1.0.7
1.0.8
1.0.9
1.1
1.1.1
50 more version ranges
cpe:2.3:a:mozilla:seamonkey:-:*:*:*:*:*:*:*
Original advisory text
Use-after-free vulnerability in the browser engine in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird...
Use-after-free vulnerability in the browser engine in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to execute arbitrary code via vectors involving an empty argument to the array.join function in conjunction with the triggering of garbage collection.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
4% chance of attack within 30 days
Type
CWE-399Resource Management Errors
Timeline
Published14 Mar 2012
Updated28 Oct 2026
First seen29 Sep 2026
Sources
CVE-2012-0464 · NVD
Track software like this
Free during beta