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    CVE-2006-0236

    GUI display truncation vulnerability in Mozilla Thunderbird 1.0.2, 1.0.6, and 1.0.7 allows user-assisted attackers to execute arbitrary code via an attachment with a filename containing a large number of spaces ending with a dangerous extension that is not displayed by Thunderbird, along with an inconsistent Content-Type header, which could be used to trick a user into downloading dangerous content by dragging or saving the attachment.

    Published:Jan 18, 2006
    Last Modified:Apr 16, 2026
    EPS:Jan 18, 2006
    EPSS Score:0.01483
    CVSS Score:5.1

    Affected Products

    Vendor
    Mozilla
    Product
    Thunderbird

    Exploits

    No exploit reference

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    CVE-2026-84640 (CVSS 7.5) — A maliciously constructed mail header could lead to a one byte read past the end of a buffer. This vulnerabili…
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    CVE-2026-84144 (CVSS 7.5) — Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence…
    CVE-2026-84143 (CVSS 9.8) — Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of th…
    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
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    References

    http://secunia.com/advisories/15907
    http://secunia.com/secunia_research/2005-22/advisory
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:021
    http://www.securityfocus.com/archive/1/422148/100/0/threaded
    http://www.securityfocus.com/bid/16271
    http://www.vupen.com/english/advisories/2006/0230
    https://bugzilla.mozilla.org/show_bug.cgi?id=300246
    https://exchange.xforce.ibmcloud.com/vulnerabilities/24164
    http://secunia.com/advisories/15907
    http://secunia.com/secunia_research/2005-22/advisory
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:021
    http://www.securityfocus.com/archive/1/422148/100/0/threaded
    http://www.securityfocus.com/bid/16271
    http://www.vupen.com/english/advisories/2006/0230
    https://bugzilla.mozilla.org/show_bug.cgi?id=300246
    https://exchange.xforce.ibmcloud.com/vulnerabilities/24164

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High