{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8842 exists.","fix":"No fix has been published for CVE-2025-8842 yet. Limit exposure of the affected software until one is available.","what":"CVE-2025-8842 is a medium-severity use after free vulnerability in Nasm Netwide Assembler, published on 11 Aug 2025. 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-2025-8842 and fix it if it is affected.\n\nWhat it is: CVE-2025-8842 is a medium-severity use after free vulnerability in Nasm Netwide Assembler, published on 11 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8842 exists.\n\nAffected product: Nasm Netwide Assembler. 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-2025-8842/ (Markdown: https://insights.sbomify.com/CVE-2025-8842/index.md)","id":"CVE-2025-8842","markdown":"https://insights.sbomify.com/CVE-2025-8842/index.md","name":"CVE-2025-8842","record":{"aliases":["AZL-66207","AZL-66227","DEBIAN-CVE-2025-8842","GHSA-55c8-h472-8xhp","UBUNTU-CVE-2025-8842"],"analysis":{"component_type":"developer_tool","fix_type":"upgrade","impacts":["code_execution","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"NASM assembler","requires_auth":"low_privilege","summary":"A local attacker can exploit a use-after-free flaw in the NASM assembler's preprocessor 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":"VulDB","cpe":[{"product":"netwide_assembler","vendor":"nasm"}],"cvss":{"score":4.8,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"cwes":[{"id":"CWE-416","name":"Use After Free"},{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"description":"A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"NASM Netwide Assember preproc.c do_directive use after free","id":"CVE-2025-8842","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"nasm:netwide_assembler","products":["nasm:netwide_assembler"],"type":"use_after_free","year":"2025"},"n_packages":0,"n_references":5,"next":{"headline":"NASM Netwide Assember outmacho.c macho_no_dead_strip heap-based overflow","id":"CVE-2025-8843"},"packages":[],"prev":{"headline":"zlt2000 microservices-platform FileController.java upload unrestricted upload","id":"CVE-2025-8841"},"products":["Netwide Assember"],"published":"2025-08-11","related":[{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2004-1287","kev_date_added":null,"published":"2004-12-22"},{"cvss_score":9.8,"headline":"Use after free in n/a","id":"CVE-2020-24978","kev_date_added":null,"published":"2020-09-03"},{"cvss_score":9.3,"headline":"Memory corruption in n/a","id":"CVE-2008-7177","kev_date_added":null,"published":"2009-09-08"},{"cvss_score":7.8,"headline":"Memory corruption in n/a","id":"CVE-2023-31722","kev_date_added":null,"published":"2023-05-17"},{"cvss_score":7.8,"headline":"Memory corruption in n/a","id":"CVE-2022-44370","kev_date_added":null,"published":"2023-03-29"},{"cvss_score":7.8,"headline":"Memory corruption in n/a","id":"CVE-2022-46456","kev_date_added":null,"published":"2023-01-04"},{"cvss_score":7.8,"headline":"Use after free in n/a","id":"CVE-2019-8343","kev_date_added":null,"published":"2019-02-15"}],"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":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-08-11","vendors":["NASM"]},"summary":"A local attacker can exploit a use-after-free flaw in the NASM assembler's preprocessor to potentially execute arbitrary code or cause a denial of service.","url":"https://insights.sbomify.com/CVE-2025-8842/"}