Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
10.0

Firefox 3.6 and Thunderbird 3.1 can crash or be hijacked

CVE-2011-2365 · published 15 years ago
Summary

Versions of Firefox 3.6 prior to 3.6.18 and Thunderbird prior to 3.1.11 contain a flaw in their web‑page rendering code. An attacker who can send specially crafted data could make the program stop working or potentially run their own code. Update to the latest versions of Firefox and Thunderbird as soon as possible to stop the risk.

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 thunderbird <= 3.1.10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.7.1
0.7.2
0.7.3
0.8
71 more version ranges
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla firefox 3.6.2
3.6.3
3.6.4
3.6.6
3.6.7
3.6.8
3.6.9
3.6.10
3.6.11
3.6.12
3.6.13
3.6.14
3 more version ranges
cpe:2.3:a:mozilla:firefox:3.6.2:*:*:*:*:*:*:*
Original advisory text
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11 allows remote attackers to cause a denial of service (memory corruption and appl...
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, a different vulnerability than CVE-2011-2364.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
10.0 Critical
Exploitation
6% chance of attack within 30 days
Timeline
Published30 Jun 2011
Updated22 Oct 2026
First seen29 Sep 2026
Sources
CVE-2011-2365 · NVD
Track software like this
Free during beta