{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2025-3500 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2025-3500 yet. Limit exposure of the affected software until one is available.","what":"CVE-2025-3500 is a critical vulnerability in Avast Antivirus, published on 1 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2025-3500 and fix it if it is affected.\n\nWhat it is: CVE-2025-3500 is a critical vulnerability in Avast Antivirus, published on 1 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2025-3500 in the wild and no public exploit code.\n\nAffected product: Avast Antivirus. 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-2025-3500/ (Markdown: https://insights.sbomify.com/CVE-2025-3500/index.md)","id":"CVE-2025-3500","markdown":"https://insights.sbomify.com/CVE-2025-3500/index.md","name":"CVE-2025-3500","record":{"aliases":["GHSA-28rh-r6hp-jmq3"],"analysis":{"component_type":"desktop_application","fix_type":"upgrade","impacts":["privilege_escalation"],"network_reachable":"yes","non_default_config":false,"product_category":"Avast Antivirus","requires_auth":"low_privilege","summary":"An integer overflow in Avast Antivirus allows attackers to escalate privileges on Windows systems.","user_interaction":"required","vuln_class":"integer_overflow"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"NLOK","cpe":[{"product":"antivirus","vendor":"avast"}],"cvss":{"score":9,"severity":"critical","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-190","name":"Integer Overflow or Wraparound"}],"description":"Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2025-12-01","github_poc":1,"max_poc_stars":1,"metasploit":0,"nuclei":0,"refs":[{"date":"2025-12-01T20:09:40Z","kind":"github_poc","ref":"https://github.com/chicken3962/CVE-2025-3500-Poc","stars":1,"title":"Public exploit for CVE-2025-3500"}],"tier":"poc_unverified"},"has_fix":null,"headline":"Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation","id":"CVE-2025-3500","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"integer_overflow","year":"2025"},"n_packages":0,"n_references":1,"next":{"headline":"Org.keycloak.protocol.services: keycloak hostname verification","id":"CVE-2025-3501"},"packages":[],"prev":{"headline":"Unauthenticated execution of arbitrary commands in Radiflow iSAP Smart Collector","id":"CVE-2025-3499"},"products":["Antivirus"],"published":"2025-12-01","related":[{"cvss_score":9.9,"headline":"Race condition in (Free/Inernet Security/Ultimate) Antivirus","id":"CVE-2025-13032","kev_date_added":null,"published":"2025-11-11"},{"cvss_score":9.8,"headline":"Security feature bypass in n/a","id":"CVE-2020-10867","kev_date_added":null,"published":"2020-04-01"},{"cvss_score":9.8,"headline":"Missing authorization in n/a","id":"CVE-2017-8307","kev_date_added":null,"published":"2017-04-27"},{"cvss_score":8.8,"headline":"Missing authorization in n/a","id":"CVE-2021-45335","kev_date_added":null,"published":"2021-12-27"},{"cvss_score":8.8,"headline":"Privilege escalation vulnerability in the Sandbox component of Avast Antivirus prior to 20.4 allows a local sandboxed code to gain elevated","id":"CVE-2021-45336","kev_date_added":null,"published":"2021-12-27"},{"cvss_score":8.8,"headline":"Privilege escalation in n/a","id":"CVE-2021-45337","kev_date_added":null,"published":"2021-12-27"}],"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)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-02-26","vendors":["Avast"]},"summary":"An integer overflow in Avast Antivirus allows attackers to escalate privileges on Windows systems.","url":"https://insights.sbomify.com/CVE-2025-3500/"}