CVE-2006-0836

Mozilla Thunderbird 1.5 - Denial of Service via LDIF Address Book Import

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-0836. PoCs published by DrFrancky.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service (DoS) vulnerability in Mozilla Thunderbird 1.5 by importing a maliciously crafted LDIF file with an excessively long 'homePhone' field (2MB of 'a' characters). The vulnerability triggers a crash or resource exhaustion when the address book processes the file.

Description

Mozilla Thunderbird 1.5 allows user-assisted attackers to cause an unspecified denial of service by tricking the user into importing an LDIF file with a long field into the address book, as demonstrated by a long homePhone field.

Exploits (1)

exploitdb WORKING POC VERIFIED
by DrFrancky · textdoslinux
https://www.exploit-db.com/exploits/27246

This exploit demonstrates a denial-of-service (DoS) vulnerability in Mozilla Thunderbird 1.5 by importing a maliciously crafted LDIF file with an excessively long 'homePhone' field (2MB of 'a' characters). The vulnerability triggers a crash or resource exhaustion when the address book processes the file.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Thunderbird 1.5
No auth needed
Prerequisites: Ability to deliver a crafted LDIF file to the target · Target must import the file into Thunderbird's address book
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/24810
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/425602/100/0/threaded
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/16716
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/469

Scores

EPSS 0.0268
EPSS Percentile 84.0%

Details

Status published
Products (1)
mozilla/thunderbird 1.5
Published Feb 22, 2006
Tracked Since Feb 18, 2026