CVE-2008-4070
CWE-119Published: September 27, 2008· Updated: Jun 16, 2026
Official Description
Heap-based buffer overflow in Mozilla Thunderbird before 2.0.0.17 and SeaMonkey before 1.1.12 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long header in a news article, related to "canceling [a] newsgroup message" and "cancelled newsgroup messages."
Technical Analysis
CVE-2008-4070 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (50)
Quick Facts
Related CVEs (CWE-119)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-4070 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts