{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-40528 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-40528 is a low-severity memory corruption vulnerability in Opensc Project Opensc, published on 29 May 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-2026-40528 and fix it if it is affected.\n\nWhat it is: CVE-2026-40528 is a low-severity memory corruption vulnerability in Opensc Project Opensc, published on 29 May 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-2026-40528 in the wild and no public exploit code.\n\nAffected product: Opensc Project Opensc. 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-2026-40528/ (Markdown: https://insights.sbomify.com/CVE-2026-40528/index.md)","id":"CVE-2026-40528","markdown":"https://insights.sbomify.com/CVE-2026-40528/index.md","name":"CVE-2026-40528","record":{"aliases":["AZL-89147","CLSA-2026-1781088266","GHSA-vxjj-52h8-95w5"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["code_execution","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Smart card library","requires_auth":"none","summary":"Attackers can corrupt memory and potentially execute code by supplying a crafted profile configuration file to OpenSC during pkcs15-init invocation.","user_interaction":"required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[{"product":"opensc","vendor":"opensc_project"}],"cvss":{"score":1,"severity":"low","source":"cna","vector":"CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-122","name":"Heap-based Buffer Overflow"},{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"description":"OpenSC before 0.27.0, fixed in commit 0358817, contains a stack and heap buffer overrun vulnerability in the do_key_value() function in src/pkcs15init/profile.c that allows attackers to corrupt memory by supplying a crafted profile configuration file. During pkcs15-init invocation, a key value entry beginning with '=' followed by more than sizeof(keybuf) characters is copied into keybuf via memcpy without a length check, causing both stack and heap buffer overruns.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"OpenSC \u003c 0.27.0 Buffer Overrun in do_key_value() via profile.c","id":"CVE-2026-40528","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"opensc_project:opensc","products":["opensc_project:opensc"],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"SQL injection in CMS ALAYA","id":"CVE-2026-40529"},"packages":[],"prev":{"headline":"radare2 Command Injection via DWARF Parameter Names","id":"CVE-2026-40527"},"products":["OpenSC"],"published":"2026-05-29","related":[{"cvss_score":7.5,"headline":"Memory corruption in n/a","id":"CVE-2021-34193","kev_date_added":null,"published":"2023-08-22"},{"cvss_score":7.5,"headline":"Memory corruption in n/a","id":"CVE-2019-16058","kev_date_added":null,"published":"2019-09-06"},{"cvss_score":7.5,"headline":"Denial of service in n/a","id":"CVE-2019-6502","kev_date_added":null,"published":"2019-01-22"},{"cvss_score":7.1,"headline":"Memory corruption in OpenSC","id":"CVE-2023-2977","kev_date_added":null,"published":"2023-06-01"},{"cvss_score":6.8,"headline":"Use after free in n/a","id":"CVE-2019-20792","kev_date_added":null,"published":"2020-04-29"},{"cvss_score":6.8,"headline":"Memory corruption in n/a","id":"CVE-2018-16391","kev_date_added":null,"published":"2018-09-03"},{"cvss_score":6.8,"headline":"Memory corruption in n/a","id":"CVE-2018-16392","kev_date_added":null,"published":"2018-09-03"}],"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":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-07-14","vendors":["OpenSC"]},"summary":"Attackers can corrupt memory and potentially execute code by supplying a crafted profile configuration file to OpenSC during pkcs15-init invocation.","url":"https://insights.sbomify.com/CVE-2026-40528/"}