{"id":"CVE-2011-1756","state":"PUBLISHED","title":"modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory ","description":"modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.","publishedAt":"2011-06-21T01:00:00.000Z","updatedAt":"2024-08-06T22:37:25.682Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c","http://www.securityfocus.com/bid/48071","http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog","http://www.debian.org/security/2011/dsa-2250","http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz","http://secunia.com/advisories/44788","http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog","http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6"],"weaknesses":[],"ingestedAt":"2026-10-29T19:39:55.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2011/1xxx/CVE-2011-1756.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2011-1756","state":"PUBLISHED","datePublished":"2011-06-21T01:00:00.000Z","dateUpdated":"2024-08-06T22:37:25.682Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2011-04-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securityfocus.com/bid/48071","name":"48071","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog","tags":["x_refsource_CONFIRM"]},{"url":"http://www.debian.org/security/2011/dsa-2250","name":"DSA-2250","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz","tags":["x_refsource_CONFIRM"]},{"url":"http://secunia.com/advisories/44788","name":"44788","tags":["third-party-advisory","x_refsource_SECUNIA"]},{"url":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog","tags":["x_refsource_CONFIRM"]},{"url":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2011-10-26T09:00:00.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2011-05-22T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secalert@redhat.com","ID":"CVE-2011-1756","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c","refsource":"CONFIRM","url":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c"},{"name":"48071","refsource":"BID","url":"http://www.securityfocus.com/bid/48071"},{"name":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog","refsource":"CONFIRM","url":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog"},{"name":"DSA-2250","refsource":"DEBIAN","url":"http://www.debian.org/security/2011/dsa-2250"},{"name":"http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz","refsource":"CONFIRM","url":"http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz"},{"name":"44788","refsource":"SECUNIA","url":"http://secunia.com/advisories/44788"},{"name":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog","refsource":"CONFIRM","url":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog"},{"name":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6","refsource":"CONFIRM","url":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/48071","name":"48071","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.debian.org/security/2011/dsa-2250","name":"DSA-2250","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/44788","name":"44788","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T22:37:25.682Z"}}]}}}