CVE-2009-3560
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 24.31% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 97.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-12-04 21:00Z16 YR AGO
- Last updated
- 2024-08-07 06:31Z2 YR AGO
- Reserved
- 2009-10-05
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- b8a6859066cece340f03a6c6524aa2a1f32d3c586bc85eef8f7eac5f9244d666
05 Affected products
06 References
- expat.cvs.sourceforge.nethttp://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?r1=1.164&r2=1.165
- slackware.comSSA:2011-041-02http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026
- www.redhat.comFEDORA-2009-12690https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00370.html
- secunia.com38832http://secunia.com/advisories/38832
- www.securitytracker.com1023278http://www.securitytracker.com/id?1023278
- www.ubuntu.comUSN-890-1http://www.ubuntu.com/usn/USN-890-1
- secunia.com38794http://secunia.com/advisories/38794
- lists.vmware.com[security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updateshttp://lists.vmware.com/pipermail/security-announce/2010/000082.html
- www.vupen.comADV-2010-1107http://www.vupen.com/english/advisories/2010/1107
- www.debian.orgDSA-1953http://www.debian.org/security/2009/dsa-1953
- secunia.com41701http://secunia.com/advisories/41701
- lists.opensuse.orgSUSE-SR:2010:011http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- oval.cisecurity.orgoval:org.mitre.oval:def:6883https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6883
- oval.cisecurity.orgoval:org.mitre.oval:def:12942https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12942
- lists.opensuse.orgSUSE-SR:2010:013http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
- mail.python.org[expat-bugs] 20091108 [ expat-Bugs-2894085 ] expat: buffer over-read and crash in big2_toUtf8()http://mail.python.org/pipermail/expat-bugs/2009-November/002846.html
- lists.opensuse.orgSUSE-SR:2010:001http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00007.html
- www.securityfocus.com37203http://www.securityfocus.com/bid/37203
- www.ubuntu.comUSN-890-6http://www.ubuntu.com/usn/USN-890-6
- expat.cvs.sourceforge.nethttp://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?view=log#rev1.165
- www.redhat.comFEDORA-2009-12737https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00413.html
- secunia.com38231http://secunia.com/advisories/38231
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=533174
- lists.opensuse.orgSUSE-SR:2010:012http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
- secunia.com38834http://secunia.com/advisories/38834
- secunia.com39478http://secunia.com/advisories/39478
- www.redhat.comFEDORA-2009-12716https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00394.html
- lists.opensuse.orgSUSE-SR:2010:014http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- oval.cisecurity.orgoval:org.mitre.oval:def:10613https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10613
- secunia.com37537http://secunia.com/advisories/37537
- secunia.com43300http://secunia.com/advisories/43300
- www.redhat.comRHSA-2011:0896http://www.redhat.com/support/errata/RHSA-2011-0896.html
- www.vupen.comADV-2010-0896http://www.vupen.com/english/advisories/2010/0896
- sunsolve.sun.com273630http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1
- marc.infoHPSBUX02645http://marc.info/?l=bugtraq&m=130168502603566&w=2
- www.vupen.comADV-2011-0359http://www.vupen.com/english/advisories/2011/0359
- www.mandriva.comMDVSA-2009:316http://www.mandriva.com/security/advisories?name=MDVSA-2009:316
- www.vupen.comADV-2010-0528http://www.vupen.com/english/advisories/2010/0528
- lists.apache.org[httpd-cvs] 20190815 svn commit: r1048742 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20190815 svn commit: r1048743 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20200401 svn commit: r1058586 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20200401 svn commit: r1058587 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1888194 [6/13] - /httpd/site/trunk/content/security/json/https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073139 [6/13] - in /websites/staging/httpd/trunk/content: ./ security/json/https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073140 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073149 [7/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210603 svn commit: r1075360 [1/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210606 svn commit: r1075467 [1/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E
- lists.apache.org[httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.htmlhttps://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
07 Fixed in
Debian 12
- audacity Fixed in 1.3.2-1
- cadaver No fix yet
- cmake Fixed in 2.6.0-6
- coin3 Fixed in 4.0.0~CMake~6f54f1602475+ds1-1
- expat Fixed in 2.0.1-6
- gdcm Fixed in 2.0.14-2
- ghostscript Fixed in 8.71~dfsg-2
- libxmltok No fix yet
- matanza No fix yet
- mcabber Fixed in 0.10.0-1
- paraview Fixed in 3.6.2-1
- poco Fixed in 1.3.6p1-1
- simgear Fixed in 2.10.0-1
- tdom Fixed in 0.8.3~20080525-1
- tla Fixed in 1.3.5+dfsg-15
- udunits Fixed in 2.1.8-4
- xmlrpc-c Fixed in 1.06.27-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- audacity Fixed in 1.3.2-1
- cadaver No fix yet
- cmake Fixed in 2.6.0-6
- coin3 Fixed in 4.0.0~CMake~6f54f1602475+ds1-1
- expat Fixed in 2.0.1-6
- gdcm Fixed in 2.0.14-2
- ghostscript Fixed in 8.71~dfsg-2
- matanza No fix yet
- mcabber Fixed in 0.10.0-1
- paraview Fixed in 3.6.2-1
- poco Fixed in 1.3.6p1-1
- simgear Fixed in 2.10.0-1
- tdom Fixed in 0.8.3~20080525-1
- udunits Fixed in 2.1.8-4
- xmlrpc-c Fixed in 1.06.27-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- audacity Fixed in 1.3.2-1
- cadaver No fix yet
- cmake Fixed in 2.6.0-6
- coin3 Fixed in 4.0.0~CMake~6f54f1602475+ds1-1
- expat Fixed in 2.0.1-6
- gdcm Fixed in 2.0.14-2
- ghostscript Fixed in 8.71~dfsg-2
- matanza No fix yet
- paraview Fixed in 3.6.2-1
- poco Fixed in 1.3.6p1-1
- simgear Fixed in 2.10.0-1
- tdom Fixed in 0.8.3~20080525-1
- udunits Fixed in 2.1.8-4
- xmlrpc-c Fixed in 1.06.27-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- matanza No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- matanza No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- matanza No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- matanza No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- matanza No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- matanza No fix yet
- sitecopy No fix yet
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- matanza No fix yet
- paraview No fix yet
- sitecopy No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- matanza No fix yet
- sitecopy No fix yet
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- coin3 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- cableswig No fix yet
- coin3 No fix yet
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- coin3 No fix yet
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 24.04 LTS
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 26.04 LTS
- swish-e No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.