CVE-2009-3560

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    CVE-2009-3560

    Published: 4 Dec 2009Last Modified: 10 Apr 2026

    Summary:

    Details: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.

    References: http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html, http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html, http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html, http://marc.info/?l=bugtraq&m=130168502603566&w=2, http://secunia.com/advisories/37537, http://secunia.com/advisories/38231, http://secunia.com/advisories/38794, http://secunia.com/advisories/38832, http://secunia.com/advisories/38834, http://secunia.com/advisories/39478, http://secunia.com/advisories/41701, http://secunia.com/advisories/43300, http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026, http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1, http://www.debian.org/security/2009/dsa-1953, http://www.mandriva.com/security/advisories?name=MDVSA-2009:316, http://www.securityfocus.com/bid/37203, http://www.securitytracker.com/id?1023278, http://www.ubuntu.com/usn/USN-890-1, http://www.ubuntu.com/usn/USN-890-6, http://www.vupen.com/english/advisories/2010/0528, http://www.vupen.com/english/advisories/2010/0896, http://www.vupen.com/english/advisories/2010/1107, http://www.vupen.com/english/advisories/2011/0359, https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00370.html, https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00394.html, https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00413.html, http://marc.info/?l=bugtraq&m=130168502603566&w=2, http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026, http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1, https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00370.html, https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00394.html, https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00413.html, http://mail.python.org/pipermail/expat-bugs/2009-November/002846.html, https://bugzilla.redhat.com/show_bug.cgi?id=533174, http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?r1=1.164&r2=1.165, https://bugzilla.redhat.com/show_bug.cgi?id=533174, http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?view=log#rev1.165, http://lists.vmware.com/pipermail/security-announce/2010/000082.html, http://www.redhat.com/support/errata/RHSA-2011-0896.html, https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10613, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12942, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6883

    Affected packages

    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
    CVE-2009-3560 | CVE-DB