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4.3

Firefox, Thunderbird, SeaMonkey may crash from crafted key event

CVE-2013-1723 · published 13 years ago
Summary

Firefox versions before 24, Thunderbird versions before 24, and SeaMonkey versions before 2.21 can be forced to shut down when a specially crafted keyboard event is processed after a widget is destroyed. This could cause the application to stop working, affecting users and business operations. Update to the latest versions of each product to prevent the crash.

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 <= 17.0.9
17.0
17.0.1
17.0.2
17.0.3
17.0.4
17.0.5
17.0.6
17.0.7
17.0.8
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla firefox <= 23.0.1
19.0
19.0.1
19.0.2
20.0
20.0.1
21.0
22.0
23.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla seamonkey <= 2.20
2.0
2.0.1
2.0.2
2.0.3
2.0.4
2.0.5
2.0.6
2.0.7
2.0.8
2.0.9
2.0.10
24 more version ranges
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
Original advisory text
The NativeKey widget in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21 processes key messages after destruction by a dispatched event listener, which allows remote ...
The NativeKey widget in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21 processes key messages after destruction by a dispatched event listener, which allows remote attackers to cause a denial of service (application crash) by leveraging incorrect event usage after widget-memory reallocation.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
4.3 Medium
Exploitation
2% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published18 Sep 2013
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2013-1723 · NVD
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