{"answers":{"affected":"10 open source packages ship an affected version, including date, ruby and ruby-min. It affects 9 products.","exploited":"There is no known exploitation of CVE-2021-41817 in the wild and no public exploit code.","fix":"Upgrade date to a fixed version for your release line: 2.0.1, 3.0.2, 3.1.2 or 3.2.1.","what":"CVE-2021-41817 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 1 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-41817 and fix it if it is affected.\n\nWhat it is: CVE-2021-41817 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 1 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-41817 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- date (RubyGems): affected all versions; fixed in 2.0.1\n- date (RubyGems): affected all versions; fixed in 2.0.1\n- date (RubyGems): affected from 3.0.0; fixed in 3.0.2\n- date (RubyGems): affected from 3.0.0; fixed in 3.0.2\n- date (RubyGems): affected from 3.1.0; fixed in 3.1.2\n- date (RubyGems): affected from 3.1.0; fixed in 3.1.2\n- date (RubyGems): affected from 3.2.0; fixed in 3.2.1\n- date (RubyGems): affected from 3.2.0; fixed in 3.2.1\n- ruby (Bitnami): affected from 2.6.0; fixed in 2.6.9, 2.7.5, 3.0.3\n- ruby-min (Bitnami): affected from 2.6.0; fixed in 2.6.9, 2.7.5, 3.0.3\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2021-41817/ (Markdown: https://insights.sbomify.com/CVE-2021-41817/index.md)","id":"CVE-2021-41817","markdown":"https://insights.sbomify.com/CVE-2021-41817/index.md","name":"CVE-2021-41817","record":{"aliases":["ALPINE-CVE-2021-41817","AZL-7110","BIT-ruby-2021-41817","BIT-ruby-min-2021-41817","CLEANSTART-2026-KK38106","DEBIAN-CVE-2021-41817","GHSA-qg54-694p-wgpp","JLSEC-2026-1287","OESA-2024-2581","UBUNTU-CVE-2021-41817"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Ruby date gem","requires_auth":"none","summary":"Attackers can cause denial of service in Ruby applications using the date gem by submitting long strings to Date.parse.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"debian_linux","vendor":"debian"},{"product":"fedora","vendor":"fedoraproject"},{"product":"factory","vendor":"opensuse"},{"product":"leap","vendor":"opensuse"},{"product":"enterprise_linux","vendor":"redhat"},{"product":"software_collections","vendor":"redhat"},{"product":"date","vendor":"ruby-lang"},{"product":"ruby","vendor":"ruby-lang"},{"product":"linux_enterprise","vendor":"suse"}],"cvss":{"score":7.5,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-1333","name":"Inefficient Regular Expression Complexity"}],"description":"Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.","ecosystems":["Bitnami","RubyGems"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Regular expression denial of service vulnerability (ReDoS) in date","id":"CVE-2021-41817","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":"debian:debian_linux","products":["debian:debian_linux","fedoraproject:fedora","opensuse:leap","redhat:enterprise_linux","redhat:software_collections","ruby-lang:ruby","suse:linux_enterprise"],"type":"denial_of_service","year":"2021"},"n_packages":10,"n_references":5,"next":{"headline":"Cookie Prefix Spoofing in CGI::Cookie.parse","id":"CVE-2021-41819"},"packages":[{"ecosystem":"Bitnami","fixed":["2.6.9","2.7.5","3.0.3"],"introduced":["2.6.0","2.7.0","3.0.0"],"last_affected":[],"package":"ruby","purl":"pkg:bitnami/ruby","source":"BIT-ruby-2021-41817"},{"ecosystem":"Bitnami","fixed":["2.6.9","2.7.5","3.0.3"],"introduced":["2.6.0","2.7.0","3.0.0"],"last_affected":[],"package":"ruby-min","purl":"pkg:bitnami/ruby-min","source":"BIT-ruby-min-2021-41817"},{"ecosystem":"RubyGems","fixed":["2.0.1"],"introduced":["0"],"last_affected":[],"package":"date","purl":null,"source":"GHSA-qg54-694p-wgpp"},{"ecosystem":"RubyGems","fixed":["2.0.1"],"introduced":["0"],"last_affected":[],"package":"date","purl":"pkg:gem/date","source":"GHSA-qg54-694p-wgpp"},{"ecosystem":"RubyGems","fixed":["3.0.2"],"introduced":["3.0.0"],"last_affected":[],"package":"date","purl":null,"source":"GHSA-qg54-694p-wgpp"},{"ecosystem":"RubyGems","fixed":["3.0.2"],"introduced":["3.0.0"],"last_affected":[],"package":"date","purl":"pkg:gem/date","source":"GHSA-qg54-694p-wgpp"},{"ecosystem":"RubyGems","fixed":["3.1.2"],"introduced":["3.1.0"],"last_affected":[],"package":"date","purl":null,"source":"GHSA-qg54-694p-wgpp"},{"ecosystem":"RubyGems","fixed":["3.1.2"],"introduced":["3.1.0"],"last_affected":[],"package":"date","purl":"pkg:gem/date","source":"GHSA-qg54-694p-wgpp"},{"ecosystem":"RubyGems","fixed":["3.2.1"],"introduced":["3.2.0"],"last_affected":[],"package":"date","purl":null,"source":"GHSA-qg54-694p-wgpp"},{"ecosystem":"RubyGems","fixed":["3.2.1"],"introduced":["3.2.0"],"last_affected":[],"package":"date","purl":"pkg:gem/date","source":"GHSA-qg54-694p-wgpp"}],"prev":{"headline":"Buffer overrun in CGI.escape_html","id":"CVE-2021-41816"},"products":["n/a"],"published":"2022-01-01","related":[{"cvss_score":10,"headline":"ProFTPD Improper Access Control","id":"CVE-2015-3306","kev_date_added":"2026-10-08","published":"2015-05-18"},{"cvss_score":9.9,"headline":"RoundCube Webmail Deserialization of Untrusted Data","id":"CVE-2025-49113","kev_date_added":"2026-02-20","published":"2025-06-02"},{"cvss_score":9.8,"headline":"GNU InetUtils Argument Injection","id":"CVE-2026-24061","kev_date_added":"2026-01-26","published":"2026-01-21"},{"cvss_score":9.8,"headline":"Linux Kernel Improper Check for Unusual or Exceptional Conditions","id":"CVE-2025-39682","kev_date_added":"2026-09-18","published":"2025-09-05"},{"cvss_score":9.8,"headline":"Mozilla Firefox Use-After-Free","id":"CVE-2024-9680","kev_date_added":"2024-10-15","published":"2024-10-09"},{"cvss_score":9.8,"headline":"RARLAB UnRAR Directory Traversal","id":"CVE-2022-30333","kev_date_added":"2022-08-09","published":"2022-05-09"},{"cvss_score":9.8,"headline":"Roundcube Webmail SQL Injection","id":"CVE-2021-44026","kev_date_added":"2023-06-22","published":"2021-11-19"}],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["n/a"]},"summary":"Attackers can cause denial of service in Ruby applications using the date gem by submitting long strings to Date.parse.","url":"https://insights.sbomify.com/CVE-2021-41817/"}