{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-2738 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-2738 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-2738 is a medium-severity memory corruption vulnerability in OpenVPN ovpn-dco-win, published on 19 Feb 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-2026-2738 and fix it if it is affected.\n\nWhat it is: CVE-2026-2738 is a medium-severity memory corruption vulnerability in OpenVPN ovpn-dco-win, published on 19 Feb 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: There is no known exploitation of CVE-2026-2738 in the wild and no public exploit code.\n\nAffected product: OpenVPN ovpn-dco-win. 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-2026-2738/ (Markdown: https://insights.sbomify.com/CVE-2026-2738/index.md)","id":"CVE-2026-2738","markdown":"https://insights.sbomify.com/CVE-2026-2738/index.md","name":"CVE-2026-2738","record":{"aliases":["GHSA-4jg5-735x-q4x2"],"analysis":{"component_type":"operating_system","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"OpenVPN Windows driver","requires_auth":"none","summary":"Local attackers can crash the system by sending oversized packets to the OpenVPN Windows driver due to a buffer overflow.","user_interaction":"required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"OpenVPN","cpe":[],"cvss":{"score":5.6,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P","version":"4.0"},"cwes":[{"id":"CWE-131","name":"Incorrect Calculation of Buffer Size"}],"description":"Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Memory corruption in ovpn-dco-win","id":"CVE-2026-2738","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"bn.js affected by an infinite loop","id":"CVE-2026-2739"},"packages":[],"prev":{"headline":"Possibility of unintended actions when an administrator clicks a malicious link in the Progress Flowmon web application","id":"CVE-2026-2737"},"products":["ovpn-dco-win"],"published":"2026-02-19","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-02-20","vendors":["OpenVPN"]},"summary":"Local attackers can crash the system by sending oversized packets to the OpenVPN Windows driver due to a buffer overflow.","url":"https://insights.sbomify.com/CVE-2026-2738/"}