{"id":"CVE-2021-36373","aliases":["ALPINE-CVE-2021-36373","AZL-25953","AZL-34808","BELL-CVE-2021-36373","CLSA-2026-1782225575","CLSA-2026-1789710127","DEBIAN-CVE-2021-36373","EUVD-2021-1834","GHSA-q5r4-cfpx-h6fh","OESA-2021-1277","SUSE-SU-2022:1417-1","SUSE-SU-2022:1418-1","UBUNTU-CVE-2021-36373","openSUSE-SU-2024:11688-1"],"status":"published","title":"Apache Ant TAR archive denial of service vulnerability","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. 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Applicable","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36373","tags":["web","advisory"]},{"url":"https://lists.apache.org/thread.html/r27919fd4db07c487239c1d9771f480d89ce5ee2750aa9447309b709a@%3Ccommits.groovy.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r544c9e8487431768465b8b2d13982c75123109bd816acf839d46010d@%3Ccommits.groovy.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rad36f470647c5a7c02dd78c9973356d2840766d132b597b6444e373a@%3Cnotifications.groovy.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rf4bb79751a02889623195715925e4fd8932dd3c97e0ade91395a96c6@%3Cdev.myfaces.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q5r4-cfpx-h6fh"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-36373","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-36373","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1782225575.html","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36374","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-36373","tags":["advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210819-0007","tags":["web"]},{"url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1277","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221417-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1188468","tags":["report"]},{"url":"https://bugzilla.suse.com/1188469","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-36373","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-36374","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221418-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-36373","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2021/07/13/5","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-36373","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-36373","title":"Apache Ant TAR archive denial of service vulnerability","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T06:20:11Z","modified":"2024-08-04T00:54:51.488Z","cwes":["CWE-130"],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-1834","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T06:20:11Z","modified":"2024-08-04T00:54:51Z","updated_at":"2026-11-03T03:24:29.877227Z"}],"ghsa":[{"id":"GHSA-q5r4-cfpx-h6fh","title":"Improper Handling of Length Parameter Inconsistency in Apache Ant","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-08-02T16:56:17Z","modified":"2023-01-27T05:02:28Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:36:18.427692Z"}],"nvd":[{"id":"CVE-2021-36373","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T07:15:08.237Z","modified":"2026-08-25T16:28:27.31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:06:55.747384Z"}],"osv":[{"id":"ALPINE-CVE-2021-36373","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T07:15:08.237Z","modified":"2026-11-03T06:32:39.84260348Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T07:17:20.312441Z"},{"id":"AZL-25953","title":"CVE-2021-36373 affecting package javapackages-bootstrap for versions less than 1.5.0-6","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T07:15:08Z","modified":"2026-04-21T04:23:24.031948Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:03.093433Z"},{"id":"AZL-34808","title":"CVE-2021-36373 affecting package javapackages-bootstrap for versions less than 1.14.0-2","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T07:15:08Z","modified":"2026-04-21T04:53:04.370963Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:03.821827Z"},{"id":"BELL-CVE-2021-36373","title":"CVE-2021-36373 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:14:36.603354Z","modified":"2026-01-26T09:49:37.615158Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:16.5265Z"},{"id":"CVE-2021-36373","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T07:15:08.237Z","modified":"2026-10-24T10:30:18.307812036Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"},{"id":"DEBIAN-CVE-2021-36373","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T07:15:08.237Z","modified":"2026-10-23T18:04:50.768343038Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"GHSA-q5r4-cfpx-h6fh","title":"Improper Handling of Length Parameter Inconsistency in Apache Ant","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-08-02T16:56:17Z","modified":"2024-02-19T05:33:43.830546Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T15:46:54.055966Z"},{"id":"OESA-2021-1277","title":"ant security update","description":"Ant is a Java based build tool. In theory it is kind of like \"make\" without makes wrinkles and with the full portability of pure java code.\r\n\r\nSecurity Fix(es):\r\n\r\nWhen reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.(CVE-2021-36373)\r\n\r\nWhen reading a specially crafted ZIP archive, or a derived formats, an Apache Ant build can be made to allocate large amounts of memory that leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Commonly used derived formats from ZIP archives are for instance JAR files and many office files. Apache Ant prior to 1.9.16 and 1.10.11 were affected.(CVE-2021-36374)","status":"published","published":"2021-07-24T11:04:31Z","modified":"2026-08-18T01:15:36.468324056Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"UBUNTU-CVE-2021-36373","description":"When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.","status":"published","published":"2021-07-14T07:15:00Z","modified":"2026-10-17T12:57:13.456047968Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:27.870979Z"},{"id":"CLSA-2026-1782225575","title":"ant: Fix of 2 CVEs","description":"- CVE-2021-36373: resource exhaustion (OOM) when reading a crafted TAR\n  archive's PAX extended header\n- CVE-2021-36374: resource exhaustion (OOM) when reading a crafted ZIP\n  archive\n- Drop the GetTest (network) and ImageIOTest (JDK ImageIO) unit tests","status":"published","published":"2026-06-23T14:39:52Z","modified":"2026-10-26T09:30:20.28867788Z","updated_at":"2026-11-02T15:43:45.794021Z"},{"id":"CLSA-2026-1789710127","title":"TuxCare security update for org.apache.ant:ant (2 CVEs)","description":"TuxCare rebuilt org.apache.ant:ant to address 2 CVEs. Fixed in 1.9.4-tuxcare.2.","status":"published","published":"2026-09-18T05:42:07Z","modified":"2026-11-02T19:46:18.450976843Z","updated_at":"2026-11-02T20:29:28.838259Z"},{"id":"openSUSE-SU-2024:11688-1","title":"ant-1.10.12-1.1 on GA media","description":"These are all security issues fixed in the ant-1.10.12-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:24:05.199439Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2022:1417-1","title":"Security update for ant","description":"This update for ant fixes the following issues:\n\n- CVE-2021-36373: Fixed an excessive memory allocation when reading a specially\n  crafted TAR archive (bsc#1188468).\n- CVE-2021-36374: Fixed an excessive memory allocation when reading a specially\n  crafted ZIP archive (bsc#1188469).\n","status":"published","published":"2022-04-27T07:19:20Z","modified":"2026-02-04T02:46:12.004633Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"SUSE-SU-2022:1418-1","title":"Security update for ant","description":"This update for ant fixes the following issues:\n\n- CVE-2021-36373: Fixed an excessive memory allocation when reading a specially\n  crafted TAR archive (bsc#1188468).\n- CVE-2021-36374: Fixed an excessive memory allocation when reading a specially\n  crafted ZIP archive (bsc#1188469).\n","status":"published","published":"2022-04-27T07:19:42Z","modified":"2026-02-04T02:35:19.338119Z","updated_at":"2026-11-02T15:53:50.513981Z"}]}}