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service.","status":"published","published":"2026-04-21T00:04:14.628Z","modified":"2026-07-25T18:23:47.929413328Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:47:18.159338Z"},{"id":"OESA-2021-1062","title":"openldap security update","description":"OpenLDAP is an open source suite of LDAP (Lightweight Directory Access Protocol) applications and development tools. LDAP is a set of protocols for accessing directory services (usually phone book style information, but other information is possible) over the Internet, similar to the way DNS (Domain Name System) information is propagated over the Internet. The openldap package contains configuration files, libraries, and documentation for OpenLDAP.\r\n\r\nSecurity Fix(es):\r\n\r\nAn integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service.(CVE-2020-36228)\r\n\r\nA flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.(CVE-2020-36227)\r\n\r\nA flaw was discovered in OpenLDAP before 2.4.57 leading to a memch-\u003ebv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.(CVE-2020-36226)\r\n\r\nA flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service.(CVE-2020-36230)\r\n\r\nAn integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).(CVE-2020-36221)\r\n\r\nA flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service.(CVE-2020-36222)\r\n\r\nA flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service.(CVE-2020-36224)\r\n\r\nA flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read).(CVE-2020-36223)\r\n\r\nA flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing, resulting in denial of service.(CVE-2020-36225)\r\n\r\nA flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.(CVE-2020-36229)","status":"published","published":"2021-03-05T11:04:17Z","modified":"2026-08-18T01:15:15.37009535Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"UBUNTU-CVE-2020-36229","description":"A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.","status":"published","published":"2021-01-26T18:15:00Z","modified":"2026-04-22T12:41:41.529695Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:25.179924Z"},{"id":"BIT-openldap-2020-36229","description":"A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.","status":"published","published":"2024-03-06T11:00:27.485Z","modified":"2026-09-08T08:48:16.652071998Z","updated_at":"2026-11-02T15:28:34.343258Z"},{"id":"CLSA-2025-1758636652","title":"openldap: Fix of 14 CVEs","description":"- Rebase to 2.4.58 to fix the following vulnerabilities:\n- CVE-2020-12243: fix denial of service caused by LDAP search filters with nested\n  boolean expressions\n- CVE-2020-36221: fix integer underflow in the Certificate Exact Assertion processing\n- CVE-2020-36223: fix slapd crash in the Values Return Filter control handling\n- CVE-2020-36226: fix slapd crash in the saslAuthzTo processing\n- CVE-2020-36228: fix slapd crash in the Certificate List Exact Assertion processing\n- CVE-2020-36225: fix double free and slapd crash in the saslAuthzTo processing\n- CVE-2020-36227: fix infinite loop in slapd with the cancel_extop Cancel operation\n- CVE-2020-36230: fix assertion failure in slapd in the X.509 DN parsing in decode.c\n- CVE-2020-25692: fix NULL pointer dereference during a request for renaming RDNs\n- CVE-2020-25709: fix assertion failure caused by processing malicious packet\n- CVE-2020-36224: fix invalid pointer free and slapd crash in the saslAuthzTo\n  processing\n- CVE-2020-36229: fix slapd crash in the X.509 DN parsing in ad_keystring\n- CVE-2020-25710: fix failed assertion in csnNormalize23()\n- CVE-2020-36222: fix assertion failure in slapd in the saslAuthzTo validation","status":"published","published":"2026-04-22T09:20:05Z","modified":"2026-10-21T10:48:17.543026662Z","updated_at":"2026-11-02T15:43:42.427288Z"},{"id":"CLSA-2025-1758645818","title":"openldap: Fix of 14 CVEs","description":"- Rebase to 2.4.58 to fix the following vulnerabilities:\n- CVE-2020-12243: fix denial of service caused by LDAP search filters with nested\n  boolean expressions\n- CVE-2020-36221: fix integer underflow in the Certificate Exact Assertion processing\n- CVE-2020-36223: fix slapd crash in the Values Return Filter control handling\n- CVE-2020-36226: fix slapd crash in the saslAuthzTo processing\n- CVE-2020-36228: fix slapd crash in the Certificate List Exact Assertion processing\n- CVE-2020-36225: fix double free and slapd crash in the saslAuthzTo processing\n- CVE-2020-36227: fix infinite loop in slapd with the cancel_extop Cancel operation\n- CVE-2020-36230: fix assertion failure in slapd in the X.509 DN parsing in decode.c\n- CVE-2020-25692: fix NULL pointer dereference during a request for renaming RDNs\n- CVE-2020-25709: fix assertion failure caused by processing malicious packet\n- CVE-2020-36224: fix invalid pointer free and slapd crash in the saslAuthzTo\n  processing\n- CVE-2020-36229: fix slapd crash in the X.509 DN parsing in ad_keystring\n- CVE-2020-25710: fix failed assertion in csnNormalize23()\n- CVE-2020-36222: fix assertion failure in slapd in the saslAuthzTo validation","status":"published","published":"2026-04-23T20:31:57Z","modified":"2026-10-21T10:47:48.199517577Z","updated_at":"2026-11-02T15:43:42.427288Z"},{"id":"CLSA-2026-1777310722","title":"openldap: Fix of 15 CVEs","description":"- CVE-2019-13565: SASL session encryption SSF not reset on new connection, allowing downgrade\n- CVE-2020-12243: slapd crash via deeply nested LDAP search filter boolean expressions\n- CVE-2020-25692: NULL pointer dereference in slapd during modRDN request\n- CVE-2020-25709: slapd assertion failure via crafted certificate list validation\n- CVE-2020-25710: slapd assertion failure in obsolete csnNormalize23\n- CVE-2020-36221: slapd integer underflow crash in Certificate Exact Assertion processing\n- CVE-2020-36222: slapd assertion failure in saslAuthzTo validation\n- CVE-2020-36223: slapd double free crash in Values Return Filter control handling\n- CVE-2020-36224: slapd invalid pointer free and crash in saslAuthzTo processing\n- CVE-2020-36225: slapd double free crash in saslAuthzTo processing\n- CVE-2020-36226: slapd memch-\u003ebv_len miscalculation and crash in saslAuthzTo processing\n- CVE-2020-36227: slapd infinite loop via cancel_extop Cancel operation\n- CVE-2020-36228: slapd integer underflow crash in Certificate List Exact Assertion processing\n- CVE-2020-36229: slapd crash in X.509 DN parsing ad_keystring via ldap_X509dn2bv\n- CVE-2020-36230: slapd assertion failure in X.509 DN parsing ber_next_element in decode.c","status":"published","published":"2026-04-27T17:25:27Z","modified":"2026-06-01T00:33:23.608317789Z","updated_at":"2026-11-02T15:43:44.384419Z"},{"id":"CLSA-2026-1777393215","title":"openldap: Fix of 15 CVEs","description":"- CVE-2019-13565: SASL session encryption SSF not reset on new connection, allowing downgrade\n- CVE-2020-12243: slapd crash via deeply nested LDAP search filter boolean expressions\n- CVE-2020-25692: NULL pointer dereference in slapd during modRDN request\n- CVE-2020-25709: slapd assertion failure via crafted certificate list validation\n- CVE-2020-25710: slapd assertion failure in obsolete csnNormalize23\n- CVE-2020-36221: slapd integer underflow crash in Certificate Exact Assertion processing\n- CVE-2020-36222: slapd assertion failure in saslAuthzTo validation\n- CVE-2020-36223: slapd double free crash in Values Return Filter control handling\n- CVE-2020-36224: slapd invalid pointer free and crash in saslAuthzTo processing\n- CVE-2020-36225: slapd double free crash in saslAuthzTo processing\n- CVE-2020-36226: slapd memch-\u003ebv_len miscalculation and crash in saslAuthzTo processing\n- CVE-2020-36227: slapd infinite loop via cancel_extop Cancel operation\n- CVE-2020-36228: slapd integer underflow crash in Certificate List Exact Assertion processing\n- CVE-2020-36229: slapd crash in X.509 DN parsing ad_keystring via ldap_X509dn2bv\n- CVE-2020-36230: slapd assertion failure in X.509 DN parsing ber_next_element in decode.c","status":"published","published":"2026-04-28T16:20:21Z","modified":"2026-06-01T00:33:12.568365854Z","updated_at":"2026-11-02T15:43:44.384419Z"},{"id":"DLA-2544-1","title":"openldap - security update","status":"published","published":"2021-02-03T00:00:00Z","modified":"2026-03-09T01:19:15.594886Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-4845-1","title":"openldap - security update","status":"published","published":"2021-02-03T00:00:00Z","modified":"2026-03-09T02:09:26.630663Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"MGASA-2021-0105","title":"Updated openldap packages fix security vulnerabilities","description":"It was discovered that OpenLDAP incorrectly handled Certificate Exact\nAssertion processing. A remote attacker could possibly use this issue to cause\nOpenLDAP to crash, resulting in a denial of service (CVE-2020-36221).\n\nIt was discovered that OpenLDAP incorrectly handled saslAuthzTo processing. A\nremote attacker could use this issue to cause OpenLDAP to crash, resulting in\na denial of service, or possibly execute arbitrary code (CVE-2020-36222,\nCVE-2020-36224, CVE-2020-36225, CVE-2020-36226).\n\nIt was discovered that OpenLDAP incorrectly handled Return Filter control\nhandling. A remote attacker could use this issue to cause OpenLDAP to crash,\nresulting in a denial of service, or possibly execute arbitrary code\n(CVE-2020-36223).\n\nIt was discovered that OpenLDAP incorrectly handled certain cancel operations.\nA remote attacker could possibly use this issue to cause OpenLDAP to crash,\nresulting in a denial of service (CVE-2020-36227).\n\nIt was discovered that OpenLDAP incorrectly handled Certificate List Extract\nAssertion processing. A remote attacker could possibly use this issue to cause\nOpenLDAP to crash, resulting in a denial of service (CVE-2020-36228).\n\nIt was discovered that OpenLDAP incorrectly handled X.509 DN parsing. A remote\nattacker could possibly use this issue to cause OpenLDAP to crash, resulting\nin a denial of service (CVE-2020-36229, CVE-2020-36230).\n\nPasi Saarinen discovered that OpenLDAP incorrectly handled certain short\ntimestamps. A remote attacker could possibly use this issue to cause OpenLDAP\nto crash, resulting in a denial of service (CVE-2021-27212).\n","status":"published","published":"2021-03-04T16:53:32Z","modified":"2026-04-16T04:44:36.319605859Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2021:0408-1","title":"Security update for openldap2","description":"This update for openldap2 fixes the following issues:\n\n- bsc#1182408 CVE-2020-36230 - an assertion failure in slapd in the\n  X.509 DN parsing in decode.c ber_next_element, resulting in denial\n  of service.\n- bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN\n  parsing in ad_keystring, resulting in denial of service.\n- bsc#1182412 CVE-2020-36228 - integer underflow leading to crash\n  in the Certificate List Exact Assertion processing, resulting in\n  denial of service.\n- bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the\n  cancel_extop Cancel operation, resulting in denial of service.\n- bsc#1182416 CVE-2020-36225 - double free and slapd crash in the\n  saslAuthzTo processing, resulting in denial of service.\n- bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash\n  in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182415 CVE-2020-36226 - memch-\u003ebv_len miscalculation and slapd\n  crash in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the\n  saslAuthzTo validation, resulting in denial of service.\n- bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact\n  Assertion processing, resulting in denial of service (schema_init.c\n  serialNumberAndIssuerCheck).\n- bsc#1182418 CVE-2020-36223 - slapd crash in the Values Return Filter\n  control handling, resulting in denial of service (double free and\n  out-of-bounds read).\n- bsc#1182279 CVE-2021-27212 - an assertion failure in slapd can occur\n    in the issuerAndThisUpdateCheck function via a crafted packet,\n    resulting in a denial of service (daemon exit) via a short timestamp.\n    This is related to schema_init.c and checkTime.\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2021-03-14T14:10:26Z","modified":"2025-05-07T18:12:07.959833Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"SUSE-SU-2021:0692-1","title":"Security update for openldap2","description":"This update for openldap2 fixes the following issues:\n\n- bsc#1182408 CVE-2020-36230 - an assertion failure in slapd in the\n  X.509 DN parsing in decode.c ber_next_element, resulting in denial\n  of service.\n- bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN\n  parsing in ad_keystring, resulting in denial of service.\n- bsc#1182412 CVE-2020-36228 - integer underflow leading to crash\n  in the Certificate List Exact Assertion processing, resulting in\n  denial of service.\n- bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the\n  cancel_extop Cancel operation, resulting in denial of service.\n- bsc#1182416 CVE-2020-36225 - double free and slapd crash in the\n  saslAuthzTo processing, resulting in denial of service.\n- bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash\n  in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182415 CVE-2020-36226 - memch-\u003ebv_len miscalculation and slapd\n  crash in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the\n  saslAuthzTo validation, resulting in denial of service.\n- bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact\n  Assertion processing, resulting in denial of service (schema_init.c\n  serialNumberAndIssuerCheck).\n- bsc#1182418 CVE-2020-36223 - slapd crash in the Values Return Filter\n  control handling, resulting in denial of service (double free and\n  out-of-bounds read).\n- bsc#1182279 CVE-2021-27212 - an assertion failure in slapd can occur\n    in the issuerAndThisUpdateCheck function via a crafted packet,\n    resulting in a denial of service (daemon exit) via a short timestamp.\n    This is related to schema_init.c and checkTime.\n","status":"published","published":"2021-03-03T17:11:47Z","modified":"2026-02-04T03:40:15.356512Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0693-1","title":"Security update for openldap2","description":"This update for openldap2 fixes the following issues:\n\n- bsc#1182408 CVE-2020-36230 - an assertion failure in slapd in the\n  X.509 DN parsing in decode.c ber_next_element, resulting in denial\n  of service.\n- bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN\n  parsing in ad_keystring, resulting in denial of service.\n- bsc#1182412 CVE-2020-36228 - integer underflow leading to crash\n  in the Certificate List Exact Assertion processing, resulting in\n  denial of service.\n- bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the\n  cancel_extop Cancel operation, resulting in denial of service.\n- bsc#1182416 CVE-2020-36225 - double free and slapd crash in the\n  saslAuthzTo processing, resulting in denial of service.\n- bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash\n  in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182415 CVE-2020-36226 - memch-\u003ebv_len miscalculation and slapd\n  crash in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the\n  saslAuthzTo validation, resulting in denial of service.\n- bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact\n  Assertion processing, resulting in denial of service (schema_init.c\n  serialNumberAndIssuerCheck).\n- bsc#1182418 CVE-2020-36223 - slapd crash in the Values Return Filter\n  control handling, resulting in denial of service (double free and\n  out-of-bounds read).\n- bsc#1182279 CVE-2021-27212 - an assertion failure in slapd can occur\n    in the issuerAndThisUpdateCheck function via a crafted packet,\n    resulting in a denial of service (daemon exit) via a short timestamp.\n    This is related to schema_init.c and checkTime.\n","status":"published","published":"2021-03-03T17:13:44Z","modified":"2026-02-04T02:56:49.923587Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0723-1","title":"Security update for openldap2","description":"This update for openldap2 fixes the following issues:\n\n- bsc#1182408 CVE-2020-36230 - an assertion failure in slapd in the\n  X.509 DN parsing in decode.c ber_next_element, resulting in denial\n  of service.\n- bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN\n  parsing in ad_keystring, resulting in denial of service.\n- bsc#1182412 CVE-2020-36228 - integer underflow leading to crash\n  in the Certificate List Exact Assertion processing, resulting in\n  denial of service.\n- bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the\n  cancel_extop Cancel operation, resulting in denial of service.\n- bsc#1182416 CVE-2020-36225 - double free and slapd crash in the\n  saslAuthzTo processing, resulting in denial of service.\n- bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash\n  in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182415 CVE-2020-36226 - memch-\u003ebv_len miscalculation and slapd\n  crash in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the\n  saslAuthzTo validation, resulting in denial of service.\n- bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact\n  Assertion processing, resulting in denial of service (schema_init.c\n  serialNumberAndIssuerCheck).\n- bsc#1182418 CVE-2020-36223 - slapd crash in the Values Return Filter\n  control handling, resulting in denial of service (double free and\n  out-of-bounds read).\n- bsc#1182279 CVE-2021-27212 - an assertion failure in slapd can occur\n    in the issuerAndThisUpdateCheck function via a crafted packet,\n    resulting in a denial of service (daemon exit) via a short timestamp.\n    This is related to schema_init.c and checkTime.\n","status":"published","published":"2021-03-08T15:46:34Z","modified":"2026-02-04T02:24:12.353403Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:14700-1","title":"Security update for openldap2","description":"This update for openldap2 fixes the following issues:\n\n- bsc#1182408 CVE-2020-36230 - an assertion failure in slapd in the\n  X.509 DN parsing in decode.c ber_next_element, resulting in denial\n  of service.\n- bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN\n  parsing in ad_keystring, resulting in denial of service.\n- bsc#1182412 CVE-2020-36228 - integer underflow leading to crash\n  in the Certificate List Exact Assertion processing, resulting in\n  denial of service.\n- bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the\n  cancel_extop Cancel operation, resulting in denial of service.\n- bsc#1182416 CVE-2020-36225 - double free and slapd crash in the\n  saslAuthzTo processing, resulting in denial of service.\n- bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash\n  in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182415 CVE-2020-36226 - memch-\u003ebv_len miscalculation and slapd\n  crash in the saslAuthzTo processing, resulting in denial of service.\n- bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the\n  saslAuthzTo validation, resulting in denial of service.\n- bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact\n  Assertion processing, resulting in denial of service (schema_init.c\n  serialNumberAndIssuerCheck).\n- bsc#1182418 CVE-2020-36223 - slapd crash in the Values Return Filter\n  control handling, resulting in denial of service (double free and\n  out-of-bounds read).\n- bsc#1182279 CVE-2021-27212 - an assertion failure in slapd can occur\n    in the issuerAndThisUpdateCheck function via a crafted packet,\n    resulting in a denial of service (daemon exit) via a short timestamp.\n    This is related to schema_init.c and checkTime.\n- resynchronise changelogs with subpackages (bsc#1184020).\n","status":"published","published":"2021-04-16T09:42:39Z","modified":"2026-02-04T02:21:20.033027Z","updated_at":"2026-11-02T15:53:49.138643Z"},{"id":"USN-4724-1","title":"openldap vulnerabilities","description":"It was discovered that OpenLDAP incorrectly handled Certificate Exact\nAssertion processing. A remote attacker could possibly use this issue to\ncause OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36221)\n\nIt was discovered that OpenLDAP incorrectly handled saslAuthzTo processing.\nA remote attacker could use this issue to cause OpenLDAP to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2020-36222, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226)\n\nIt was discovered that OpenLDAP incorrectly handled Return Filter control\nhandling. A remote attacker could use this issue to cause OpenLDAP to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2020-36223)\n\nIt was discovered that OpenLDAP incorrectly handled certain cancel\noperations. A remote attacker could possibly use this issue to cause\nOpenLDAP to crash, resulting in a denial of service. (CVE-2020-36227)\n\nIt was discovered that OpenLDAP incorrectly handled Certificate List\nExtract Assertion processing. A remote attacker could possibly use this\nissue to cause OpenLDAP to crash, resulting in a denial of service.\n(CVE-2020-36228)\n\nIt was discovered that OpenLDAP incorrectly handled X.509 DN parsing. A\nremote attacker could possibly use this issue to cause OpenLDAP to crash,\nresulting in a denial of service. (CVE-2020-36229, CVE-2020-36230)\n","status":"published","published":"2021-02-08T12:55:14Z","modified":"2026-04-22T10:11:59.034796Z","updated_at":"2026-11-02T16:58:15.159055Z"},{"id":"USN-7713-1","title":"openldap vulnerabilities","description":"It was discovered that OpenLDAP incorrectly handled X.509 DN parsing. A\nremote attacker could possibly use this issue to cause OpenLDAP to crash,\nresulting in a denial of service. (CVE-2020-36229, CVE-2020-36230)\n\nPasi Saarinen discovered that OpenLDAP incorrectly handled certain short\ntimestamps. A remote attacker could possibly use this issue to cause\nOpenLDAP to crash, resulting in a denial of service. (CVE-2021-27212)","status":"published","published":"2025-08-24T22:57:14Z","modified":"2026-04-22T11:01:52.469137Z","updated_at":"2026-11-02T16:58:21.91885Z"}]}}