{"answers":{"affected":"2 open source packages ship an affected version, including detect-character-encoding. It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-39176 in the wild and no public exploit code.","fix":"Upgrade detect-character-encoding to 0.3.1 or later.","what":"CVE-2021-39176 is a high-severity denial of service vulnerability in sonicdoe detect-character-encoding, published on 31 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-39176 and fix it if it is affected.\n\nWhat it is: CVE-2021-39176 is a high-severity denial of service vulnerability in sonicdoe detect-character-encoding, published on 31 Aug 2021. 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-2021-39176 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- detect-character-encoding (npm): affected all versions; fixed in 0.3.1\n- detect-character-encoding (npm): affected all versions; fixed in 0.3.1\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-2021-39176/ (Markdown: https://insights.sbomify.com/CVE-2021-39176/index.md)","id":"CVE-2021-39176","markdown":"https://insights.sbomify.com/CVE-2021-39176/index.md","name":"CVE-2021-39176","record":{"aliases":["GHSA-5rwj-j5m3-3chj"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"npm character encoding library","requires_auth":"none","summary":"Attackers can cause denial of service by exhausting memory through repeated calls to the detect-character-encoding library.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"detect-character-encoding","vendor":"detect-character-encoding_project"}],"cvss":{"score":7.5,"severity":"high","source":"cna","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-401","name":"Missing Release of Memory after Effective Lifetime"}],"description":"detect-character-encoding is a package for detecting character encoding using ICU. In detect-character-encoding v0.3.0 and earlier, allocated memory is not released. The problem has been patched in detect-character-encoding v0.3.1.","ecosystems":["npm"],"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":"Missing Release of Memory after Effective Lifetime in detect-character-encoding","id":"CVE-2021-39176","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"npm","product":null,"products":[],"type":"denial_of_service","year":"2021"},"n_packages":2,"n_references":4,"next":{"headline":"User impersonation due to incorrect handling of the login JWT","id":"CVE-2021-39177"},"packages":[{"ecosystem":"npm","fixed":["0.3.1"],"introduced":["0"],"last_affected":[],"package":"detect-character-encoding","purl":null,"source":"GHSA-5rwj-j5m3-3chj"},{"ecosystem":"npm","fixed":["0.3.1"],"introduced":["0"],"last_affected":[],"package":"detect-character-encoding","purl":"pkg:npm/detect-character-encoding","source":"GHSA-5rwj-j5m3-3chj"}],"prev":{"headline":"XSS vector in slide mode speaker-view","id":"CVE-2021-39175"},"products":["detect-character-encoding"],"published":"2021-08-31","related":[{"cvss_score":7.5,"headline":"Improper Handling of Exceptional Conditions in detect-character-encoding","id":"CVE-2021-39157","kev_date_added":null,"published":"2021-08-24"}],"sources":[{"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":["sonicdoe"]},"summary":"Attackers can cause denial of service by exhausting memory through repeated calls to the detect-character-encoding library.","url":"https://insights.sbomify.com/CVE-2021-39176/"}