{"answers":{"affected":"3 open source packages ship an affected version, including xcb. It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-36205 in the wild and no public exploit code.","fix":"Upgrade xcb to 1.0.0 or later.","what":"CVE-2020-36205 is a medium-severity use after free vulnerability in n/a, published on 22 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2020-36205 and fix it if it is affected.\n\nWhat it is: CVE-2020-36205 is a medium-severity use after free vulnerability in n/a, published on 22 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2020-36205 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- xcb (crates.io): affected all versions; fixed in 1.0.0\n- xcb (crates.io): affected all versions; fixed in 1.0.0\n- xcb (crates.io): affected from 0.0.0-0; fixed in 1.0.0\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-2020-36205/ (Markdown: https://insights.sbomify.com/CVE-2020-36205/index.md)","id":"CVE-2020-36205","markdown":"https://insights.sbomify.com/CVE-2020-36205/index.md","name":"CVE-2020-36205","record":{"aliases":["DEBIAN-CVE-2020-36205","GHSA-c8hq-x4mm-p6q6","RUSTSEC-2020-0097","UBUNTU-CVE-2020-36205"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["code_execution","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Rust xcb crate","requires_auth":"low_privilege","summary":"A use-after-free or double-free vulnerability in the Rust xcb crate allows attackers to potentially execute arbitrary code or cause a denial of service.","user_interaction":"not_required","vuln_class":"use_after_free"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"xcb","vendor":"xcb_project"}],"cvss":{"score":5.5,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-416","name":"Use After Free"},{"id":"CWE-415","name":"Double Free"}],"description":"An issue was discovered in the xcb crate through 2020-12-10 for Rust. base::Error does not have soundness. Because of the public ptr field, a use-after-free or double-free can occur.","ecosystems":["crates.io"],"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":"Memory handling issues in xcb","id":"CVE-2020-36205","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"crates.io","product":null,"products":[],"type":"use_after_free","year":"2020"},"n_packages":3,"n_references":1,"next":{"headline":"Data races in rusb","id":"CVE-2020-36206"},"packages":[{"ecosystem":"crates.io","fixed":["1.0.0"],"introduced":["0"],"last_affected":[],"package":"xcb","purl":null,"source":"GHSA-c8hq-x4mm-p6q6"},{"ecosystem":"crates.io","fixed":["1.0.0"],"introduced":["0"],"last_affected":[],"package":"xcb","purl":"pkg:cargo/xcb","source":"GHSA-c8hq-x4mm-p6q6"},{"ecosystem":"crates.io","fixed":["1.0.0"],"introduced":["0.0.0-0"],"last_affected":[],"package":"xcb","purl":"pkg:cargo/xcb","source":"RUSTSEC-2020-0097"}],"prev":{"headline":"Data races in im","id":"CVE-2020-36204"},"products":["n/a"],"published":"2021-01-22","related":[{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2021-26955","kev_date_added":null,"published":"2021-02-09"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2021-26956","kev_date_added":null,"published":"2021-02-09"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2021-26957","kev_date_added":null,"published":"2021-02-09"},{"cvss_score":8.8,"headline":"Memory corruption in n/a","id":"CVE-2021-26958","kev_date_added":null,"published":"2021-02-09"}],"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":"open","licence":"CC0 1.0","name":"RustSec","prefix":"RUSTSEC"},{"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":"A use-after-free or double-free vulnerability in the Rust xcb crate allows attackers to potentially execute arbitrary code or cause a denial of service.","url":"https://insights.sbomify.com/CVE-2020-36205/"}