{"answers":{"affected":"1 open source package ship an affected version, including mosquitto.","exploited":"There is no known exploitation of OSV-2025-989 in the wild and no public exploit code.","fix":"No fix has been published for OSV-2025-989 yet. Limit exposure of the affected software until one is available.","what":"OSV-2025-989 is a memory corruption vulnerability in mosquitto, published on 17 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for OSV-2025-989 and fix it if it is affected.\n\nWhat it is: OSV-2025-989 is a memory corruption vulnerability in mosquitto, published on 17 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of OSV-2025-989 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- mosquitto (OSS-Fuzz): affected all versions; no fix listed\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/OSV-2025-989/ (Markdown: https://insights.sbomify.com/OSV-2025-989/index.md)","id":"OSV-2025-989","markdown":"https://insights.sbomify.com/OSV-2025-989/index.md","name":"OSV-2025-989","record":{"aliases":[],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"MQTT broker","requires_auth":"none","summary":"A bad-cast vulnerability in the Mosquitto MQTT broker's password file cleanup routine can cause a crash, leading to denial of service.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=468922225\n\n```\nCrash type: Bad-cast\nCrash state:\nBad-cast to UT_hash_bucket' (aka 'struct UT_hash_bucket')password_file__cleanup\nmosquitto_security_cleanup_default\nbroker_fuzz_password_file.cpp\n```","ecosystems":["OSS-Fuzz"],"exploits":{"exploitdb":null,"first_seen":null,"github_poc":null,"max_poc_stars":null,"metasploit":null,"nuclei":null,"refs":[],"tier":null},"has_fix":false,"headline":"Bad-cast to UT_hash_bucket' (aka 'struct UT_hash_bucket')password_file__cleanup","id":"OSV-2025-989","indexable":true,"kev":null,"kind":"advisory","links":{"ecosystem":"OSS-Fuzz","product":null,"products":[],"type":"memory_corruption","year":"2025"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"OSS-Fuzz","fixed":[],"introduced":[],"last_affected":[],"package":"mosquitto","purl":"pkg:generic/mosquitto","source":"OSV-2025-989"}],"products":null,"published":"2025-12-17","related":[],"sources":[{"class":"attribution","licence":"CC BY 4.0","name":"OSS-Fuzz","prefix":"OSV"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":null,"updated":null,"vendors":null},"summary":"A bad-cast vulnerability in the Mosquitto MQTT broker's password file cleanup routine can cause a crash, leading to denial of service.","url":"https://insights.sbomify.com/OSV-2025-989/"}