{"id":"CVE-2013-6393","aliases":["DEBIAN-CVE-2013-6393","DSA-2850-1","DSA-2870-1","EUVD-2020-0633","GHSA-m75h-cghq-c8h5","MGASA-2014-0040","MGASA-2014-0154","RHSA-2014:0353","RHSA-2014:0354","RHSA-2014:0355","RHSA-2014:0364","RHSA-2014:0415","SUSE-SU-2015:0953-1","SUSE-SU-2015:0953-2","openSUSE-SU-2024:10029-1","openSUSE-SU-2024:10520-1"],"status":"published","title":"Heap Based Buffer Overflow in libyaml","description":"The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer 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yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.","status":"published","published":"2014-02-06T22:00:00Z","modified":"2024-08-06T17:39:01.258Z","updated_at":"2026-11-02T14:34:57.499208Z"}],"euvd":[{"id":"EUVD-2020-0633","description":"The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.","status":"published","published":"2014-02-06T22:00:00Z","modified":"2024-08-06T17:39:01Z","updated_at":"2026-11-03T01:56:25.766525Z"}],"ghsa":[{"id":"GHSA-m75h-cghq-c8h5","title":"Heap Based Buffer Overflow in libyaml","description":"Versions 0.2.2 and earlier depend on native libyaml version 0.1.5 or earlier. As such, they are affected by a heap-based buffer overflow vulnerability that may result in a crash or arbitrary code execution when parsing YAML tags.\n\n\n\n\n\n## Recommendation\n\n- Update to version 0.2.3 that includes a version of LibYAML that contains a fix for this issue.","status":"published","published":"2020-08-31T22:51:50Z","modified":"2023-09-07T22:05:05Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:37:03.287418Z"}],"nvd":[{"id":"CVE-2013-6393","description":"The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.","status":"published","published":"2014-02-06T22:55:03.217Z","modified":"2026-06-17T00:00:24.427Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:48.062712Z"}],"osv":[{"id":"CVE-2013-6393","description":"The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.","status":"published","published":"2014-02-06T22:55:03Z","modified":"2026-04-16T06:18:09.027544194Z","updated_at":"2026-11-02T15:43:59.361892Z"},{"id":"DEBIAN-CVE-2013-6393","description":"The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.","status":"published","published":"2014-02-06T22:55:03.217Z","modified":"2026-09-01T20:03:19.619694786Z","updated_at":"2026-11-02T15:45:25.819707Z"},{"id":"DSA-2850-1","title":"libyaml - heap-based buffer overflow","status":"published","published":"2014-01-31T00:00:00Z","modified":"2026-03-09T01:20:09.042386Z","updated_at":"2026-11-02T15:46:15.843838Z"},{"id":"DSA-2870-1","title":"libyaml-libyaml-perl - heap-based buffer overflow","status":"published","published":"2014-03-08T00:00:00Z","modified":"2026-03-09T01:22:58.724701Z","updated_at":"2026-11-02T15:46:15.843838Z"},{"id":"GHSA-m75h-cghq-c8h5","title":"Heap Based Buffer Overflow in libyaml","description":"Versions 0.2.2 and earlier depend on native libyaml version 0.1.5 or earlier. As such, they are affected by a heap-based buffer overflow vulnerability that may result in a crash or arbitrary code execution when parsing YAML tags.\n\n\n\n\n\n## Recommendation\n\n- Update to version 0.2.3 that includes a version of LibYAML that contains a fix for this issue.","status":"published","published":"2020-08-31T22:51:50Z","modified":"2023-11-08T03:57:25.877815Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:46:51.463834Z"},{"id":"MGASA-2014-0040","title":"Updated yaml packages fix CVE-2013-6393","description":"Updated libyaml packages fix security vulnerabilities:\n\nFlorian Weimer of the Red Hat Product Security Team discovered a heap-based\nbuffer overflow flaw in LibYAML, a fast YAML 1.1 parser and emitter library.\nA remote attacker could provide a YAML document with a specially-crafted tag\nthat, when parsed by an application using libyaml, would cause the application\nto crash or, potentially, execute arbitrary code with the privileges of the\nuser running the application (CVE-2013-6393).\n","status":"published","published":"2014-02-08T19:11:21Z","modified":"2026-04-16T06:24:09.476621297Z","updated_at":"2026-11-02T15:49:39.121227Z"},{"id":"MGASA-2014-0154","title":"Updated perl-YAML-LibYAML package fixes security vulnerabilies","description":"Updated perl-YAML-LibYAML packages fix security vulnerabilities:\n\nFlorian Weimer of the Red Hat Product Security Team discovered a heap-based\nbuffer overflow flaw in LibYAML, a fast YAML 1.1 parser and emitter library.\nA remote attacker could provide a YAML document with a specially-crafted tag\nthat, when parsed by an application using libyaml, would cause the application\nto crash or, potentially, execute arbitrary code with the privileges of the\nuser running the application (CVE-2013-6393).\n\nIvan Fratric of the Google Security Team discovered a heap-based buffer\noverflow vulnerability in LibYAML, a fast YAML 1.1 parser and emitter\nlibrary. A remote attacker could provide a specially-crafted YAML document\nthat, when parsed by an application using libyaml, would cause the application\nto crash or, potentially, execute arbitrary code with the privileges of the\nuser running the application (CVE-2014-2525).\n\nThe perl-YAML-LibYAML package is being updated as it contains an embedded copy\nof LibYAML.\n","status":"published","published":"2014-04-03T01:02:12Z","modified":"2026-04-16T06:23:43.482255966Z","updated_at":"2026-11-02T15:49:39.121227Z"},{"id":"openSUSE-SU-2024:10029-1","title":"libyaml-0-2-0.1.6-4.8 on GA media","description":"These are all security issues fixed in the libyaml-0-2-0.1.6-4.8 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:05:29.534362Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"openSUSE-SU-2024:10520-1","title":"perl-YAML-LibYAML-0.59-2.11 on GA media","description":"These are all security issues fixed in the perl-YAML-LibYAML-0.59-2.11 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:51:34.630254Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"RHSA-2014:0353","title":"Red Hat Security Advisory: libyaml security update","status":"published","published":"2024-09-13T08:52:04Z","modified":"2026-06-29T10:06:29Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2014:0354","title":"Red Hat Security Advisory: libyaml security update","status":"published","published":"2024-09-13T08:51:59Z","modified":"2026-06-29T10:06:30Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2014:0355","title":"Red Hat Security Advisory: ruby193-libyaml security update","status":"published","published":"2024-09-13T08:51:55Z","modified":"2026-06-29T10:06:30Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2014:0364","title":"Red Hat Security Advisory: ruby193-libyaml security update","status":"published","published":"2024-09-13T08:52:09Z","modified":"2026-06-29T10:06:31Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2014:0415","title":"Red Hat Security Advisory: libyaml security update","status":"published","published":"2024-09-13T08:51:48Z","modified":"2026-06-29T10:06:40Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"SUSE-SU-2015:0953-1","title":"Security update for perl-YAML-LibYAML","description":"perl-YAML-LibYAML was updated to fix three security issues.\n\nThese security issues were fixed:\n- CVE-2013-6393: The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performed an incorrect cast, which allowed remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggered a heap-based buffer overflow (bnc#860617, bnc#911782).\n- CVE-2014-9130: scanner.c in LibYAML 0.1.5 and 0.1.6, as used in the YAML-LibYAML (aka YAML-XS) module for Perl, allowed context-dependent attackers to cause a denial of service (assertion failure and crash) via vectors involving line-wrapping (bnc#907809, bnc#911782).\n- CVE-2014-2525: Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allowed context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file (bnc#868944, bnc#911782).\n  ","status":"published","published":"2015-02-10T14:18:22Z","modified":"2026-02-04T03:53:54.60437Z","updated_at":"2026-11-02T15:53:41.276824Z"},{"id":"SUSE-SU-2015:0953-2","title":"Security update for perl-YAML-LibYAML","description":"perl-YAML-LibYAML was updated to fix three security issues.\n\nThese security issues were fixed:\n- CVE-2013-6393: The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performed an incorrect cast, which allowed remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggered a heap-based buffer overflow (bnc#860617, bnc#911782).\n- CVE-2014-9130: scanner.c in LibYAML 0.1.5 and 0.1.6, as used in the YAML-LibYAML (aka YAML-XS) module for Perl, allowed context-dependent attackers to cause a denial of service (assertion failure and crash) via vectors involving line-wrapping (bnc#907809, bnc#911782).\n- CVE-2014-2525: Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allowed context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file (bnc#868944, bnc#911782).\n  ","status":"published","published":"2015-02-10T14:18:22Z","modified":"2026-02-04T02:42:09.267279Z","updated_at":"2026-11-02T15:53:41.276824Z"}]}}