{"answers":{"affected":"It affects 5 products.","exploited":"There is no known exploitation of CVE-2018-16845 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2018-16845 is a high-severity denial of service vulnerability in Apple Xcode, published on 7 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2018-16845 and fix it if it is affected.\n\nWhat it is: CVE-2018-16845 is a high-severity denial of service vulnerability in Apple Xcode, published on 7 Nov 2018. 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-2018-16845 in the wild and no public exploit code.\n\nAffected product: Apple Xcode. 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-2018-16845/ (Markdown: https://insights.sbomify.com/CVE-2018-16845/index.md)","id":"CVE-2018-16845","markdown":"https://insights.sbomify.com/CVE-2018-16845/index.md","name":"CVE-2018-16845","record":{"aliases":["ALPINE-CVE-2018-16845","CLEANSTART-2026-DQ45317","DEBIAN-CVE-2018-16845","DLA-1572-1","GHSA-vq5f-vpgw-9vcp","RHSA-2018:3652","UBUNTU-CVE-2018-16845"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["denial_of_service","data_read"],"network_reachable":"yes","non_default_config":true,"product_category":"nginx web server","requires_auth":"none","summary":"Attackers can cause worker crashes, infinite loops, or memory disclosure via crafted MP4 files in nginx when the optional MP4 module is enabled.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"xcode","vendor":"apple"},{"product":"ubuntu_linux","vendor":"canonical"},{"product":"debian_linux","vendor":"debian"},{"product":"nginx","vendor":"f5"},{"product":"leap","vendor":"opensuse"}],"cvss":{"score":8.2,"severity":"high","source":"cna","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.0"},"cwes":[{"id":"CWE-835","name":"Loop with Unreachable Exit Condition"},{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"description":"nginx before versions 1.15.6, 1.14.1 has a vulnerability in the ngx_http_mp4_module, which might allow an attacker to cause infinite loop in a worker process, cause a worker process crash, or might result in worker process memory disclosure by using a specially crafted mp4 file. The issue only affects nginx if it is built with the ngx_http_mp4_module (the module is not built by default) and the .mp4. directive is used in the configuration file. Further, the attack is only possible if an attacker is able to trigger processing of a specially crafted mp4 file with the ngx_http_mp4_module.","ecosystems":["Red Hat:rhel_software_collections:3::el6","Red Hat:rhel_software_collections:3::el7"],"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":"Denial of service in nginx","id":"CVE-2018-16845","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"apple:xcode","products":["apple:xcode","canonical:ubuntu_linux","debian:debian_linux","opensuse:leap"],"type":"denial_of_service","year":"2018"},"n_packages":4,"n_references":14,"next":{"headline":"Denial of service in ceph","id":"CVE-2018-16846"},"packages":[{"ecosystem":"Red Hat:rhel_software_collections:3::el6","fixed":["1:1.8.1-1.el6.1"],"introduced":["0"],"last_affected":[],"package":"rh-nginx18-nginx","purl":"pkg:rpm/redhat/rh-nginx18-nginx","source":"RHSA-2018:3652"},{"ecosystem":"Red Hat:rhel_software_collections:3::el6","fixed":["1:1.8.1-1.el6.1"],"introduced":["0"],"last_affected":[],"package":"rh-nginx18-nginx-debuginfo","purl":"pkg:rpm/redhat/rh-nginx18-nginx-debuginfo","source":"RHSA-2018:3652"},{"ecosystem":"Red Hat:rhel_software_collections:3::el7","fixed":["1:1.8.1-1.el7.1"],"introduced":["0"],"last_affected":[],"package":"rh-nginx18-nginx","purl":"pkg:rpm/redhat/rh-nginx18-nginx","source":"RHSA-2018:3652"},{"ecosystem":"Red Hat:rhel_software_collections:3::el7","fixed":["1:1.8.1-1.el7.1"],"introduced":["0"],"last_affected":[],"package":"rh-nginx18-nginx-debuginfo","purl":"pkg:rpm/redhat/rh-nginx18-nginx-debuginfo","source":"RHSA-2018:3652"}],"prev":{"headline":"Denial of service in nginx","id":"CVE-2018-16844"},"products":["nginx"],"published":"2018-11-07","related":[{"cvss_score":8.1,"headline":"Git Link Following","id":"CVE-2025-48384","kev_date_added":"2025-08-25","published":"2025-07-08"},{"cvss_score":9.8,"headline":"JGit Improper Input Validation vulnerability","id":"CVE-2014-9390","kev_date_added":null,"published":"2020-02-12"},{"cvss_score":9.8,"headline":"Deserialization of untrusted data in FasterXML jackson-databind","id":"CVE-2019-14379","kev_date_added":null,"published":"2019-07-29"},{"cvss_score":9.8,"headline":"An issue was discovered in certain Apple products.","id":"CVE-2018-4164","kev_date_added":null,"published":"2018-04-03"},{"cvss_score":9.8,"headline":"Use after free in n/a","id":"CVE-2016-0746","kev_date_added":null,"published":"2016-02-15"},{"cvss_score":9.3,"headline":"Missing authorization in n/a","id":"CVE-2004-2687","kev_date_added":null,"published":"2007-09-23"},{"cvss_score":8.8,"headline":"This issue was addressed by enforcing library validation on the affected binaries.","id":"CVE-2026-86948","kev_date_added":null,"published":"2026-10-20"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"Red Hat","prefix":"RHSA"},{"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":"2024-08-05","vendors":["[UNKNOWN]"]},"summary":"Attackers can cause worker crashes, infinite loops, or memory disclosure via crafted MP4 files in nginx when the optional MP4 module is enabled.","url":"https://insights.sbomify.com/CVE-2018-16845/"}