{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2019-11936 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2019-11936 yet. Limit exposure of the affected software until one is available.","what":"CVE-2019-11936 is a critical vulnerability in Facebook HHVM, published on 4 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2019-11936 and fix it if it is affected.\n\nWhat it is: CVE-2019-11936 is a critical vulnerability in Facebook HHVM, published on 4 Dec 2019. 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-2019-11936 in the wild and no public exploit code.\n\nAffected product: Facebook HHVM. 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-2019-11936/ (Markdown: https://insights.sbomify.com/CVE-2019-11936/index.md)","id":"CVE-2019-11936","markdown":"https://insights.sbomify.com/CVE-2019-11936/index.md","name":"CVE-2019-11936","record":{"aliases":["GHSA-jqrc-77wc-2g85","UBUNTU-CVE-2019-11936"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["data_read","other"],"network_reachable":"yes","non_default_config":false,"product_category":"HHVM runtime","requires_auth":"none","summary":"HHVM APC functions truncate keys at null bytes, potentially causing cache inconsistencies or information disclosure.","user_interaction":"not_required","vuln_class":"other"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"facebook","cpe":[{"product":"hhvm","vendor":"facebook"}],"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-626","name":"Null Byte Interaction Error (Poison Null Byte)"}],"description":"Various APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Other in HHVM","id":"CVE-2019-11936","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"other","year":"2019"},"n_packages":0,"n_references":3,"next":{"headline":"Denial of service in Mcrouter","id":"CVE-2019-11937"},"packages":[],"prev":{"headline":"Memory corruption in HHVM","id":"CVE-2019-11935"},"products":["HHVM"],"published":"2019-12-04","related":[{"cvss_score":9.8,"headline":"HHVM 4.172.0 and all prior versions use TLS 1.0 for secure connections when handling tls:// URLs in the stream extension.","id":"CVE-2022-36937","kev_date_added":null,"published":"2023-05-10"},{"cvss_score":9.8,"headline":"Use after free in HHVM","id":"CVE-2020-1900","kev_date_added":null,"published":"2021-03-11"},{"cvss_score":9.8,"headline":"Integer overflow in HHVM","id":"CVE-2020-1916","kev_date_added":null,"published":"2021-03-10"},{"cvss_score":9.8,"headline":"Memory corruption in HHVM","id":"CVE-2020-1917","kev_date_added":null,"published":"2021-03-10"},{"cvss_score":9.8,"headline":"Integer overflow in HHVM","id":"CVE-2021-24025","kev_date_added":null,"published":"2021-03-10"},{"cvss_score":9.8,"headline":"Other in n/a","id":"CVE-2016-1000004","kev_date_added":null,"published":"2020-02-19"},{"cvss_score":9.8,"headline":"Other in n/a","id":"CVE-2016-1000005","kev_date_added":null,"published":"2020-02-19"}],"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)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["Facebook"]},"summary":"HHVM APC functions truncate keys at null bytes, potentially causing cache inconsistencies or information disclosure.","url":"https://insights.sbomify.com/CVE-2019-11936/"}