{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2016-2338 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2016-2338 is a critical memory corruption vulnerability in Debian Debian Linux, published on 14 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2016-2338 and fix it if it is affected.\n\nWhat it is: CVE-2016-2338 is a critical memory corruption vulnerability in Debian Debian Linux, published on 14 Feb 2020. 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-2016-2338 in the wild and no public exploit code.\n\nAffected product: Debian Debian Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2016-2338/ (Markdown: https://insights.sbomify.com/CVE-2016-2338/index.md)","id":"CVE-2016-2338","markdown":"https://insights.sbomify.com/CVE-2016-2338/index.md","name":"CVE-2016-2338","record":{"aliases":["CLSA-2025-1757699919","DLA-2158-1","GHSA-r46x-xjwr-8v2g"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Ruby Psych library","requires_auth":"none","summary":"A heap overflow in Ruby's Psych library allows attackers to execute arbitrary code via specially constructed objects.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"certcc","cpe":[{"product":"debian_linux","vendor":"debian"},{"product":"ruby","vendor":"ruby-lang"}],"cvss":{"score":9.8,"severity":"critical","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"description":"An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document function heap buffer \"head\" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array size after mentioned allocation and cause heap overflow.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2022-12-19","github_poc":1,"max_poc_stars":0,"metasploit":0,"nuclei":0,"refs":[{"date":"2022-12-19T07:34:25Z","kind":"github_poc","ref":"https://github.com/SpiralBL0CK/CVE-2016-2338-nday","stars":0,"title":"CVE-2016-2338 Use-after-free nday full exploit"}],"tier":"poc_unverified"},"has_fix":true,"headline":"Memory corruption in n/a","id":"CVE-2016-2338","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"debian:debian_linux","products":["debian:debian_linux","ruby-lang:ruby"],"type":"memory_corruption","year":"2016"},"n_packages":0,"n_references":3,"next":{"headline":"Memory corruption in Ruby","id":"CVE-2016-2339"},"packages":[],"prev":{"headline":"Code injection in Ruby","id":"CVE-2016-2337"},"products":["n/a"],"published":"2020-02-14","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":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"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)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-05","vendors":["n/a"]},"summary":"A heap overflow in Ruby's Psych library allows attackers to execute arbitrary code via specially constructed objects.","url":"https://insights.sbomify.com/CVE-2016-2338/"}