{"answers":{"affected":"1 open source package ship an affected version, including dnsmasq.","exploited":"There is no known exploitation of OSV-2021-934 in the wild and no public exploit code.","fix":"No fix has been published for OSV-2021-934 yet. Limit exposure of the affected software until one is available.","what":"OSV-2021-934 is a memory corruption vulnerability in dnsmasq, published on 8 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for OSV-2021-934 and fix it if it is affected.\n\nWhat it is: OSV-2021-934 is a memory corruption vulnerability in dnsmasq, published on 8 Jul 2021. 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-2021-934 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- dnsmasq (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-2021-934/ (Markdown: https://insights.sbomify.com/OSV-2021-934/index.md)","id":"OSV-2021-934","markdown":"https://insights.sbomify.com/OSV-2021-934/index.md","name":"OSV-2021-934","record":{"aliases":[],"analysis":{"component_type":"library","fix_type":"patch","impacts":["code_execution","denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"RFC1035 parsing library","requires_auth":"none","summary":"A heap buffer overflow in the address extraction function allows attackers to cause crashes or potentially execute code via crafted RFC1035 data.","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=35865\n\n```\nCrash type: Heap-buffer-overflow WRITE 1\nCrash state:\nextract_addresses\nFuzzExtractTheAddress\nfuzz_rfc1035.c\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":"Heap-buffer-overflow in extract_addresses","id":"OSV-2021-934","indexable":true,"kev":null,"kind":"advisory","links":{"ecosystem":"OSS-Fuzz","product":null,"products":[],"type":"memory_corruption","year":"2021"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"OSS-Fuzz","fixed":[],"introduced":[],"last_affected":[],"package":"dnsmasq","purl":"pkg:generic/dnsmasq","source":"OSV-2021-934"}],"products":null,"published":"2021-07-08","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 heap buffer overflow in the address extraction function allows attackers to cause crashes or potentially execute code via crafted RFC1035 data.","url":"https://insights.sbomify.com/OSV-2021-934/"}