{"id":"CVE-2023-6681","aliases":["ALPINE-CVE-2023-6681","ALSA-2024:9281","AZL-43006","AZL-43009","DEBIAN-CVE-2023-6681","EUVD-2024-0081","GHSA-cw2r-4p82-qv79","OESA-2024-1195","OESA-2024-1196","OESA-2024-1197","PYSEC-2024-104","RHLW-2026-d8dae5c979459da3","RHSA-2024:3267","RHSA-2024:9281","RLSA-2024:3267","RLSA-2024:9281","ROOT-APP-PYPI-CVE-2023-6681","UBUNTU-CVE-2023-6681"],"status":"published","title":"Jwcrypto: denail of service  via specifically crafted jwe","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. 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Advisory","report","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2260843","tags":["issue-tracking","x_refsource_REDHAT","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/latchset/jwcrypto/security/advisories/GHSA-cw2r-4p82-qv79","tags":["web"]},{"url":"https://github.com/latchset/jwcrypto/commit/d2655d370586cb830e49acfb450f87598da60be8","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6681","tags":["web","advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/jwcrypto/PYSEC-2024-104.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cw2r-4p82-qv79","tags":["advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2023-6681","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/2260843","tags":["report"]},{"url":"https://errata.almalinux.org/9/ALSA-2024-9281.html","tags":["advisory"]},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6681.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-6681","tags":["advisory"]},{"url":"https://github.com/latchset/jwcrypto","tags":["package"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1195","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1196","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1197","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3102","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/28xxx/CVE-2024-28102.json","tags":["advisory"]},{"url":"https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97","tags":["advisory","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28102","tags":["advisory"]},{"url":"https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f","tags":["fix","article"]},{"url":"https://github.com/advisories/GHSA-j857-7rvv-vj97","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39373.json","tags":["advisory"]},{"url":"https://github.com/latchset/jwcrypto/security/advisories/GHSA-fjrm-76x2-c4q4","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39373","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fjrm-76x2-c4q4","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2268758","tags":["report"]},{"url":"https://issues.redhat.com/browse/RHEL-28842","tags":["article"]},{"url":"https://issues.redhat.com/browse/RHEL-29908","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_3267.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-6681","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2024-28102","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-28102","tags":["advisory"]},{"url":"https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.5_release_notes/index","tags":["article"]},{"url":"https://issues.redhat.com/browse/RHEL-34809","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_9281.json","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2024:3267","tags":["advisory"]},{"url":"https://errata.rockylinux.org/RLSA-2024:9281","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-6681","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-6681","title":"Jwcrypto: denail of service  via specifically crafted jwe","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:04:45.113Z","modified":"2026-11-05T11:37:23.62Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-05T13:18:22.408512Z"}],"euvd":[{"id":"EUVD-2024-0081","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:04:45Z","modified":"2026-11-05T11:37:23Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-05T13:14:14.11293Z"}],"ghsa":[{"id":"GHSA-cw2r-4p82-qv79","title":"DoS with algorithms that use PBKDF2 due to unbounded PBES2 Count value","description":"### Impact\nDenial of Service,\nApplications that allow the use of the PBKDF2 algorithm.\n\n### Patches\nA [patch](https://github.com/latchset/jwcrypto/commit/d2655d370586cb830e49acfb450f87598da60be8) is available that sets the maximum number of default rounds.\n\n### Workarounds\nApplications that do not need to use PBKDF2 should simply specify the algorithms use and exclude it from the list.\nApplications that need to use the algorithm should upgrade to the new version that allows to set a maximum rounds number.\n\n### Acknowledgement\nThe issues was reported by Jingcheng Yang and Jianjun Chen from Sichuan University\nand Zhongguancun Lab\n","status":"published","published":"2023-12-28T16:36:59Z","modified":"2024-11-12T18:30:50Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:38:16.477822Z"}],"nvd":[{"id":"CVE-2023-6681","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:15:08.003Z","modified":"2026-11-05T12:17:38.11Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-05T16:36:40.983114Z"}],"osv":[{"id":"ALPINE-CVE-2023-6681","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:15:08.003Z","modified":"2026-11-03T06:32:03.091507075Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T07:18:15.355745Z"},{"id":"AZL-43006","title":"CVE-2023-6681 affecting package python-jwcrypto 0.6.0-9","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:15:08Z","modified":"2026-04-21T04:30:51.038741Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:28:04.893995Z"},{"id":"AZL-43009","title":"CVE-2023-6681 affecting package python-jwcrypto 0.6.0-9","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:15:08Z","modified":"2026-11-05T05:36:30Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-05T16:41:19.893001Z"},{"id":"CVE-2023-6681","title":"Jwcrypto: denail of service  via specifically crafted jwe","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:04:45.113Z","modified":"2026-11-07T02:30:22.998325246Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-07T03:07:52.010191Z"},{"id":"DEBIAN-CVE-2023-6681","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:15:08.003Z","modified":"2026-10-26T18:00:16.212322107Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:41.533064Z"},{"id":"GHSA-cw2r-4p82-qv79","title":"DoS with algorithms that use PBKDF2 due to unbounded PBES2 Count value","description":"### Impact\nDenial of Service,\nApplications that allow the use of the PBKDF2 algorithm.\n\n### Patches\nA [patch](https://github.com/latchset/jwcrypto/commit/d2655d370586cb830e49acfb450f87598da60be8) is available that sets the maximum number of default rounds.\n\n### Workarounds\nApplications that do not need to use PBKDF2 should simply specify the algorithms use and exclude it from the list.\nApplications that need to use the algorithm should upgrade to the new version that allows to set a maximum rounds number.\n\n### Acknowledgement\nThe issues was reported by Jingcheng Yang and Jianjun Chen from Sichuan University\nand Zhongguancun Lab\n","status":"published","published":"2023-12-28T16:36:59Z","modified":"2024-11-12T19:15:29.552255Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:45.639885Z"},{"id":"OESA-2024-1195","title":"python-jwcrypto security update","description":"Implements JWK, JWS, JWE specifications with python-cryptography\r\n\r\nSecurity Fix(es):\r\n\r\nA vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.(CVE-2023-6681)","status":"published","published":"2024-02-23T11:06:38Z","modified":"2026-08-18T01:18:16.01274019Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:40.71472Z"},{"id":"OESA-2024-1196","title":"python-jwcrypto security update","description":"Implements JWK, JWS, JWE specifications with python-cryptography\r\n\r\nSecurity Fix(es):\r\n\r\nA vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.(CVE-2023-6681)","status":"published","published":"2024-02-23T11:06:38Z","modified":"2026-08-18T01:18:16.006856521Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:40.71472Z"},{"id":"OESA-2024-1197","title":"python-jwcrypto security update","description":"Implements JWK, JWS, JWE specifications with python-cryptography\r\n\r\nSecurity Fix(es):\r\n\r\nA vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.(CVE-2023-6681)","status":"published","published":"2024-02-23T11:06:38Z","modified":"2026-08-18T01:18:16.05280719Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:40.71472Z"},{"id":"PYSEC-2024-104","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:15:00Z","modified":"2026-06-10T17:01:21.878459355Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:53.837392Z"},{"id":"RHLW-2026-d8dae5c979459da3","title":"Lightwell Security Advisory: jwcrypto 1.0+rhlw.1","description":"Red Hat Lightwell has released jwcrypto 1.0+rhlw.1 with backported fixes for CVE-2022-3102, CVE-2024-28102, CVE-2026-39373, and CVE-2023-6681.\n\nCVE-2024-28102: JWCrypto vulnerable to JWT bomb Attack in `deserialize` function\n\nCVE-2026-39373: JWCrypto: JWE ZIP decompression bomb\n\nCVE-2023-6681: Jwcrypto: denail of service  via specifically crafted jwe\n\nThis patched artifact is a drop-in replacement for jwcrypto 1.0 from PyPI.","status":"published","published":"2026-11-10T09:39:22Z","modified":"2026-11-10T23:13:06.89858738Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-10T23:45:25.636162Z"},{"id":"RHSA-2024:3267","title":"Red Hat Security Advisory: idm:DL1 and idm:client security update","status":"published","published":"2024-10-10T15:03:27Z","modified":"2026-06-03T10:07:37Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:13.30378Z"},{"id":"RHSA-2024:9281","title":"Red Hat Security Advisory: python-jwcrypto security update","status":"published","published":"2024-11-12T18:05:01Z","modified":"2026-03-18T11:36:24.209137Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:14.610978Z"},{"id":"RLSA-2024:9281","title":"Moderate: python-jwcrypto security update","description":"The python-jwcrypto package provides Python implementations of the JSON Web Key (JWK), JSON Web Signature (JWS), JSON Web Encryption (JWE), and JSON Web Token (JWT) JOSE (JSON Object Signing and Encryption) standards.\n\nSecurity Fix(es):\n\n* JWCrypto: denail of service  Via specifically crafted JWE (CVE-2023-6681)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 9.5 Release Notes linked from the References section.","status":"published","published":"2025-03-17T20:16:49.937392Z","modified":"2025-10-09T06:18:52.774775Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:24.923365Z"},{"id":"UBUNTU-CVE-2023-6681","description":"A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.","status":"published","published":"2024-02-12T14:15:00Z","modified":"2026-10-17T12:56:27.678237215Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T16:54:41.555387Z"},{"id":"ALSA-2024:9281","title":"Moderate: python-jwcrypto security update","description":"The python-jwcrypto package provides Python implementations of the JSON Web Key (JWK), JSON Web Signature (JWS), JSON Web Encryption (JWE), and JSON Web Token (JWT) JOSE (JSON Object Signing and Encryption) standards.  \n\nSecurity Fix(es):  \n\n  * JWCrypto: denail of service Via specifically crafted JWE (CVE-2023-6681)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  \n\nAdditional Changes:  \n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.\n","status":"published","published":"2024-11-12T00:00:00Z","modified":"2026-10-29T11:31:20.990113376Z","updated_at":"2026-11-02T15:27:53.030731Z"},{"id":"RLSA-2024:3267","title":"Moderate: idm:DL1 and idm:client security update","description":"Rocky Enterprise Software Foundation Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments. \n\nSecurity Fix(es):\n\n* JWCrypto: denail of service  Via specifically crafted JWE (CVE-2023-6681)\n\n* python-jwcrypto: malicious JWE token can cause denial of service (CVE-2024-28102)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2024-06-14T13:59:30.118978Z","modified":"2026-02-05T13:45:16.809057Z","updated_at":"2026-11-02T15:53:24.63379Z"},{"id":"ROOT-APP-PYPI-CVE-2023-6681","title":"CVE-2023-6681 in rootio-jwcrypto - Patched by Root","description":"Root has patched CVE-2023-6681 in the rootio-jwcrypto package for Root:PyPI. Multiple fixed versions available.","status":"published","published":"2026-07-10T13:42:52Z","modified":"2026-07-10T19:33:48.737859358Z","updated_at":"2026-11-02T15:53:27.940619Z"}]}}