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The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service …

提示
CVECVE-2009-3720
首次发现2026-07-20 15:15 UTC
披露时间2009-11-03 16:30 UTC
最后更新2026-07-20 15:15 UTC
通道状态auto

摘要

The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.

中文摘要建设中,暂以英文摘要呈现(DR-003 v2)。

深度研判 · 自动通道

该漏洞尚未生成深度研判报告(DR-003 v2 AI pipeline 建设中)。

受影响产品

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Lint 边界警告 (86)

以下是本次研判 lint 阶段发现的非阻塞性警告(如引用 URL 未在白名单内)。这些不影响漏洞条目可用性,仅为透明度披露(参 DR-002)。

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?r1=1.13&r2=1.15&view=patch
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?view=log
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://marc.info/?l=bugtraq&m=130168502603566&w=2
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/37324
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/37537
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/37925
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38050
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38231
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38794
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38832
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38834
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/39478
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/41701
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/42326
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/42338
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/43300
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://sourceforge.net/tracker/index.php?func=detail&aid=1990430&group_id=10127&atid=110127
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:211
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:212
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:215
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:216
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:217
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:218
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:219
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:220
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.securitytracker.com/id?1023160
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/0528
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/0896
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/1107
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/3035
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/3053
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/3061
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2011/0359
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11019
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12719
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7112
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?r1=1.13&r2=1.15&view=patch
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?view=log
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://marc.info/?l=bugtraq&m=130168502603566&w=2
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/37324
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/37537
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/37925
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38050
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38231
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38794
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38832
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/38834
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/39478
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/41701
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/42326
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/42338
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://secunia.com/advisories/43300
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.486026
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://sourceforge.net/tracker/index.php?func=detail&aid=1990430&group_id=10127&atid=110127
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://sunsolve.sun.com/search/document.do?assetkey=1-66-273630-1
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:211
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:212
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:215
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:216
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:217
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:218
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:219
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.mandriva.com/security/advisories?name=MDVSA-2009:220
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.securitytracker.com/id?1023160
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/0528
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/0896
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/1107
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/3035
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/3053
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2010/3061
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://www.vupen.com/english/advisories/2011/0359
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11019
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12719
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7112

数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD