CVE-2008-4070

CRITICAL

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 ...

Affects 2 products across 1 vendor.

CVSS 2.010.0
EPSS7.4%
Percentile94th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-119: Improper Restriction of Operations within Memory Buffer

Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.

Related Attack Patterns (CAPEC)
CAPEC-8 Buffer Overflow in an API Call
via CWE-119
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-119
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-119
CAPEC-14 Client-side Injection-induced Buffer Overflow
via CWE-119
CAPEC-24 Filter Failure through Buffer Overflow
via CWE-119
Show all 12

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2008. A critical vulnerability affects Mozilla systems (CVE-2008-4070). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2008-GLOBAL-327958-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2008-4070?
This vulnerability was disclosed in 2008. A critical vulnerability affects Mozilla systems (CVE-2008-4070). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2008-4070?
CVE-2008-4070 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 7.4%.
Is CVE-2008-4070 actively exploited?
No confirmed active exploitation of CVE-2008-4070 as of 2026-09-25.
How do I remediate CVE-2008-4070?
Priority: MEDIUM.
What systems are affected by CVE-2008-4070?
CVE-2008-4070 affects Mozilla Thunderbird, Seamonkey.
Vulnerability Details
CVE IDCVE-2008-4070
BSIDBS-2008-GLOBAL-327958-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2008-09-27
Last Modified2026-06-16
ICS Relevance15%
Weakness (CWE)
Improper Restriction of Operations within Memory Buffer
SourceNVD
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."

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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." CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Mozilla Thunderbird ≤ 2.0.0.16
Mozilla Seamonkey ≤ 1.1.11
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 6592 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashb08f6ef10c0add263c87d1f21de567b813c9deabed02f586b8373dfad4f91689de70cc03b57b3beef4e04b35d2fe41aed6007aeb59022d3aecccc0c6f18299f8
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