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    CVE-2006-6499

    The js_dtoa function in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 overwrites memory instead of exiting when the floating point precision is reduced, which allows remote attackers to cause a denial of service via any plugins that reduce the precision.

    Published:Dec 20, 2006
    Last Modified:Apr 23, 2026
    EPS:Dec 20, 2006
    EPSS Score:0.13714
    CVSS Score:4.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Seamonkey
    Vendor
    Mozilla
    Product
    Thunderbird

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
    http://secunia.com/advisories/23282
    http://secunia.com/advisories/23420
    http://secunia.com/advisories/23422
    http://secunia.com/advisories/23545
    http://secunia.com/advisories/23589
    http://secunia.com/advisories/23591
    http://secunia.com/advisories/23614
    http://secunia.com/advisories/23672
    http://secunia.com/advisories/23692
    http://secunia.com/advisories/23988
    http://secunia.com/advisories/24078
    http://secunia.com/advisories/24390
    http://security.gentoo.org/glsa/glsa-200701-02.xml
    http://securitytracker.com/id?1017398
    http://securitytracker.com/id?1017405
    http://securitytracker.com/id?1017406
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-102846-1
    http://www.debian.org/security/2007/dsa-1253
    http://www.debian.org/security/2007/dsa-1258
    http://www.debian.org/security/2007/dsa-1265
    http://www.gentoo.org/security/en/glsa/glsa-200701-04.xml
    http://www.kb.cert.org/vuls/id/427972
    http://www.mozilla.org/security/announce/2006/mfsa2006-68.html
    http://www.novell.com/linux/security/advisories/2006_80_mozilla.html
    http://www.novell.com/linux/security/advisories/2007_06_mozilla.html
    http://www.securityfocus.com/bid/21668
    http://www.ubuntu.com/usn/usn-398-1
    http://www.ubuntu.com/usn/usn-398-2
    http://www.ubuntu.com/usn/usn-400-1
    http://www.us-cert.gov/cas/techalerts/TA06-354A.html
    http://www.vupen.com/english/advisories/2006/5068
    http://www.vupen.com/english/advisories/2007/1124
    http://www.vupen.com/english/advisories/2008/0083
    http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
    http://secunia.com/advisories/23282
    http://secunia.com/advisories/23420
    http://secunia.com/advisories/23422
    http://secunia.com/advisories/23545
    http://secunia.com/advisories/23589
    http://secunia.com/advisories/23591
    http://secunia.com/advisories/23614
    http://secunia.com/advisories/23672
    http://secunia.com/advisories/23692
    http://secunia.com/advisories/23988
    http://secunia.com/advisories/24078
    http://secunia.com/advisories/24390
    http://security.gentoo.org/glsa/glsa-200701-02.xml
    http://securitytracker.com/id?1017398
    http://securitytracker.com/id?1017405
    http://securitytracker.com/id?1017406
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-102846-1
    http://www.debian.org/security/2007/dsa-1253
    http://www.debian.org/security/2007/dsa-1258
    http://www.debian.org/security/2007/dsa-1265
    http://www.gentoo.org/security/en/glsa/glsa-200701-04.xml
    http://www.kb.cert.org/vuls/id/427972
    http://www.mozilla.org/security/announce/2006/mfsa2006-68.html
    http://www.novell.com/linux/security/advisories/2006_80_mozilla.html
    http://www.novell.com/linux/security/advisories/2007_06_mozilla.html
    http://www.securityfocus.com/bid/21668
    http://www.ubuntu.com/usn/usn-398-1
    http://www.ubuntu.com/usn/usn-398-2
    http://www.ubuntu.com/usn/usn-400-1
    http://www.us-cert.gov/cas/techalerts/TA06-354A.html
    http://www.vupen.com/english/advisories/2006/5068
    http://www.vupen.com/english/advisories/2007/1124
    http://www.vupen.com/english/advisories/2008/0083

    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