{"answers":{"affected":"4 open source packages ship an affected version, including pillow. It affects 2 products.","exploited":"There is no known exploitation of CVE-2021-28676 in the wild and no public exploit code.","fix":"Upgrade pillow to 8.2.0 or later.","what":"CVE-2021-28676 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 2 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-28676 and fix it if it is affected.\n\nWhat it is: CVE-2021-28676 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 2 Jun 2021. 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-2021-28676 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- pillow (Bitnami): affected all versions; fixed in 8.2.0\n- pillow (PyPI): affected all versions; fixed in 8.2.0\n- pillow (PyPI): affected all versions; fixed in 8.2.0\n- pillow (PyPI): affected all versions; fixed in 8.2.0\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-2021-28676/ (Markdown: https://insights.sbomify.com/CVE-2021-28676/index.md)","id":"CVE-2021-28676","markdown":"https://insights.sbomify.com/CVE-2021-28676/index.md","name":"CVE-2021-28676","record":{"aliases":["ALPINE-CVE-2021-28676","BIT-pillow-2021-28676","DEBIAN-CVE-2021-28676","GHSA-7r7m-5h27-29hp","PYSEC-2021-92","ROOT-APP-PYPI-CVE-2021-28676","UBUNTU-CVE-2021-28676"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Python image library","requires_auth":"none","summary":"An attacker can cause an infinite loop and denial of service by providing a malicious FLI image file to the Pillow library.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"fedora","vendor":"fedoraproject"},{"product":"pillow","vendor":"python"}],"cvss":{"score":7.5,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-835","name":"Loop with Unreachable Exit Condition"}],"description":"An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load.","ecosystems":["Bitnami","PyPI"],"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":"Potential infinite loop in Pillow","id":"CVE-2021-28676","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":"fedoraproject:fedora","products":["fedoraproject:fedora","python:pillow"],"type":"denial_of_service","year":"2021"},"n_packages":4,"n_references":6,"next":{"headline":"Uncontrolled Resource Consumption in Pillow","id":"CVE-2021-28677"},"packages":[{"ecosystem":"Bitnami","fixed":["8.2.0"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":"pkg:bitnami/pillow","source":"BIT-pillow-2021-28676"},{"ecosystem":"PyPI","fixed":["8.2.0"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":null,"source":"GHSA-7r7m-5h27-29hp"},{"ecosystem":"PyPI","fixed":["8.2.0"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":"pkg:pypi/pillow","source":"GHSA-7r7m-5h27-29hp"},{"ecosystem":"PyPI","fixed":["8.2.0"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":"pkg:pypi/pillow","source":"PYSEC-2021-92"}],"prev":{"headline":"Pillow denial of service","id":"CVE-2021-28675"},"products":["n/a"],"published":"2021-06-02","related":[{"cvss_score":9.8,"headline":"PHP-CGI OS Command Injection","id":"CVE-2024-4577","kev_date_added":"2024-06-12","published":"2024-06-09"},{"cvss_score":9.8,"headline":"Grafana Authentication Bypass","id":"CVE-2021-39226","kev_date_added":"2022-08-25","published":"2021-10-05"},{"cvss_score":9.8,"headline":"VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow","id":"CVE-2019-5544","kev_date_added":"2021-11-03","published":"2019-12-06"},{"cvss_score":9.6,"headline":"Google Chromium V8 Type Confusion","id":"CVE-2024-4947","kev_date_added":"2024-05-20","published":"2024-05-15"},{"cvss_score":9.6,"headline":"Google Chromium Visuals Use-After-Free","id":"CVE-2024-4671","kev_date_added":"2024-05-13","published":"2024-05-09"},{"cvss_score":9.6,"headline":"Google Chromium Mojo Insufficient Data Validation","id":"CVE-2022-3075","kev_date_added":"2022-09-08","published":"2022-09-26"},{"cvss_score":9.6,"headline":"Google Chromium Indexed DB API Use-After-Free","id":"CVE-2021-30633","kev_date_added":"2021-11-03","published":"2021-10-08"}],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"PyPA Advisory Database","prefix":"PYSEC"},{"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":"2024-08-03","vendors":["n/a"]},"summary":"An attacker can cause an infinite loop and denial of service by providing a malicious FLI image file to the Pillow library.","url":"https://insights.sbomify.com/CVE-2021-28676/"}