{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-29043 exists.","fix":"Upgrade to a fixed version.","what":"CVE-2026-29043 is a medium-severity memory corruption vulnerability in Hdfgroup Hdf5, published on 10 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-29043 and fix it if it is affected.\n\nWhat it is: CVE-2026-29043 is a medium-severity memory corruption vulnerability in Hdfgroup Hdf5, published on 10 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-29043 exists.\n\nAffected product: Hdfgroup Hdf5. 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-2026-29043/ (Markdown: https://insights.sbomify.com/CVE-2026-29043/index.md)","id":"CVE-2026-29043","markdown":"https://insights.sbomify.com/CVE-2026-29043/index.md","name":"CVE-2026-29043","record":{"aliases":["DEBIAN-CVE-2026-29043","ECHO-0f49-5d12-5bd0","GHSA-qm2m-5g5w-2277","JLSEC-2026-353","UBUNTU-CVE-2026-29043"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service","code_execution"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"HDF5 data library","requires_auth":"none","summary":"An attacker can trigger a heap buffer overflow in HDF5 via a malicious file, causing denial of service or potential remote code execution.","user_interaction":"required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"hdf5","vendor":"hdfgroup"}],"cvss":{"score":5.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-122","name":"Heap-based Buffer Overflow"}],"description":"HDF5 is software for managing data. In 1.14.1-2 and earlier, an attacker who can control an h5 file parsed by HDF5 can trigger a write-based heap buffer overflow condition in the H5T__ref_mem_setnull method. This can lead to a denial-of-service condition, and potentially further issues such as remote code execution depending on the practical exploitability of the heap overflow against modern operating systems.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"HDF5 H5T__ref_mem_setnull Heap Buffer Overflow","id":"CVE-2026-29043","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"hdfgroup:hdf5","products":["hdfgroup:hdf5"],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"EVerest: Charging Continues When WithdrawAuthorization Is Processed Before TransactionStarted","id":"CVE-2026-29044"},"packages":[],"prev":{"headline":"Nuclio Shell Runtime Command Injection Leading to Privilege Escalation","id":"CVE-2026-29042"},"products":["hdf5"],"published":"2026-04-10","related":[{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2024-32608","kev_date_added":null,"published":"2024-10-09"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2024-29157","kev_date_added":null,"published":"2024-05-09"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2024-29159","kev_date_added":null,"published":"2024-05-09"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2024-29164","kev_date_added":null,"published":"2024-05-09"},{"cvss_score":9.8,"headline":"Other in n/a","id":"CVE-2024-32611","kev_date_added":null,"published":"2024-05-09"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2024-32615","kev_date_added":null,"published":"2024-05-09"},{"cvss_score":9.8,"headline":"Memory corruption in n/a","id":"CVE-2024-32621","kev_date_added":null,"published":"2024-05-09"}],"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":"2026-04-14","vendors":["HDFGroup"]},"summary":"An attacker can trigger a heap buffer overflow in HDF5 via a malicious file, causing denial of service or potential remote code execution.","url":"https://insights.sbomify.com/CVE-2026-29043/"}