{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8258 exists.","fix":"No fix has been published for CVE-2026-8258 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-8258 is a medium-severity memory corruption vulnerability in Squirrel, published on 11 May 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-8258 and fix it if it is affected.\n\nWhat it is: CVE-2026-8258 is a medium-severity memory corruption vulnerability in Squirrel, published on 11 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8258 exists.\n\nAffected product: Squirrel. 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-2026-8258/ (Markdown: https://insights.sbomify.com/CVE-2026-8258/index.md)","id":"CVE-2026-8258","markdown":"https://insights.sbomify.com/CVE-2026-8258/index.md","name":"CVE-2026-8258","record":{"aliases":["DEBIAN-CVE-2026-8258","GHSA-fff5-x34w-4v72","UBUNTU-CVE-2026-8258"],"analysis":{"component_type":"library","fix_type":"no_fix_stated","impacts":["code_execution","denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Squirrel scripting library","requires_auth":"low_privilege","summary":"A local attacker can trigger a stack-based buffer overflow in the Squirrel library's string validation, potentially leading to code execution or denial of service.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulDB","cpe":[],"cvss":{"score":4.8,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"cwes":[{"id":"CWE-121","name":"Stack-based Buffer Overflow"},{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"description":"A flaw has been found in Squirrel up to 3.2. Impacted is the function validate_format in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"Squirrel sqstdstring.cpp validate_format stack-based overflow","id":"CVE-2026-8258","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"memory_corruption","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"Tenda AC6 httpd telnet os command injection","id":"CVE-2026-8259"},"packages":[],"prev":{"headline":"WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn assertion","id":"CVE-2026-8257"},"products":["Squirrel"],"published":"2026-05-11","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":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-05-11","vendors":["n/a"]},"summary":"A local attacker can trigger a stack-based buffer overflow in the Squirrel library's string validation, potentially leading to code execution or denial of service.","url":"https://insights.sbomify.com/CVE-2026-8258/"}