{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2019-8955 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2019-8955 is a high-severity denial of service vulnerability in n/a, published on 21 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2019-8955 and fix it if it is affected.\n\nWhat it is: CVE-2019-8955 is a high-severity denial of service vulnerability in n/a, published on 21 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2019-8955 in the wild and no public exploit code.\n\nAffected product: n/a. 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-2019-8955/ (Markdown: https://insights.sbomify.com/CVE-2019-8955/index.md)","id":"CVE-2019-8955","markdown":"https://insights.sbomify.com/CVE-2019-8955/index.md","name":"CVE-2019-8955","record":{"aliases":["DEBIAN-CVE-2019-8955","GHSA-h3x5-p32h-w7q2","UBUNTU-CVE-2019-8955","openSUSE-SU-2019:1107-1"],"analysis":{"component_type":"network_device","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Tor anonymity network","requires_auth":"none","summary":"Remote attackers can cause denial of service against Tor clients and relays by exhausting memory in the KIST cell scheduler.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"tor","vendor":"torproject"}],"cvss":{"score":7.5,"severity":"high","source":"nvd","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"cwes":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"}],"description":"In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler.","ecosystems":["SUSE:Package Hub 12","SUSE:Package Hub 15","openSUSE:Leap 15.0"],"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":"Denial of service in n/a","id":"CVE-2019-8955","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2019"},"n_packages":3,"n_references":4,"next":{"headline":"Use after free in Linux Kernel","id":"CVE-2019-8956"},"packages":[{"ecosystem":"SUSE:Package Hub 12","fixed":["0.3.4.11-bp150.3.6.1"],"introduced":["0"],"last_affected":[],"package":"tor","purl":"pkg:rpm/suse/tor\u0026distro=SUSE%20Package%20Hub%2012","source":"openSUSE-SU-2019:1107-1"},{"ecosystem":"SUSE:Package Hub 15","fixed":["0.3.4.11-bp150.3.6.1"],"introduced":["0"],"last_affected":[],"package":"tor","purl":"pkg:rpm/suse/tor\u0026distro=SUSE%20Package%20Hub%2015","source":"openSUSE-SU-2019:1107-1"},{"ecosystem":"openSUSE:Leap 15.0","fixed":["0.3.4.11-bp150.3.6.1"],"introduced":["0"],"last_affected":[],"package":"tor","purl":"pkg:rpm/opensuse/tor\u0026distro=openSUSE%20Leap%2015.0","source":"openSUSE-SU-2019:1107-1"}],"prev":{"headline":"Code injection in n/a","id":"CVE-2019-8954"},"products":["n/a"],"published":"2019-02-21","related":[{"cvss_score":8.9,"headline":"Race condition in Tor","id":"CVE-2026-77638","kev_date_added":null,"published":"2026-08-20"},{"cvss_score":7.5,"headline":"Memory corruption in Tor","id":"CVE-2026-77642","kev_date_added":null,"published":"2026-08-20"},{"cvss_score":7.5,"headline":"Denial of service in n/a","id":"CVE-2022-33903","kev_date_added":null,"published":"2022-07-17"},{"cvss_score":7.5,"headline":"Denial of service in n/a","id":"CVE-2021-38385","kev_date_added":null,"published":"2021-08-30"},{"cvss_score":7.5,"headline":"Security feature bypass in n/a","id":"CVE-2021-34548","kev_date_added":null,"published":"2021-06-29"},{"cvss_score":7.5,"headline":"Denial of service in n/a","id":"CVE-2021-34549","kev_date_added":null,"published":"2021-06-29"},{"cvss_score":7.5,"headline":"Memory corruption in n/a","id":"CVE-2021-34550","kev_date_added":null,"published":"2021-06-29"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"SUSE","prefix":"openSUSE"},{"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":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["n/a"]},"summary":"Remote attackers can cause denial of service against Tor clients and relays by exhausting memory in the KIST cell scheduler.","url":"https://insights.sbomify.com/CVE-2019-8955/"}