{"answers":{"affected":"4 open source packages ship an affected version, including pillow. It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-25289 in the wild and no public exploit code.","fix":"Upgrade pillow to 8.1.1 or later.","what":"CVE-2021-25289 is a critical memory corruption vulnerability in Python Pillow, published on 19 Mar 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-2021-25289 and fix it if it is affected.\n\nWhat it is: CVE-2021-25289 is a critical memory corruption vulnerability in Python Pillow, published on 19 Mar 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-2021-25289 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- pillow (Bitnami): affected all versions; fixed in 8.1.1\n- pillow (PyPI): affected all versions; fixed in 8.1.1\n- pillow (PyPI): affected all versions; fixed in 8.1.1\n- pillow (PyPI): affected all versions; fixed in 8.1.1\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-2021-25289/ (Markdown: https://insights.sbomify.com/CVE-2021-25289/index.md)","id":"CVE-2021-25289","markdown":"https://insights.sbomify.com/CVE-2021-25289/index.md","name":"CVE-2021-25289","record":{"aliases":["ALPINE-CVE-2021-25289","BIT-pillow-2021-25289","DEBIAN-CVE-2021-25289","GHSA-57h3-9rgr-c24m","PYSEC-2021-35","UBUNTU-CVE-2021-25289"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["code_execution","denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Python image library","requires_auth":"none","summary":"Heap-based buffer overflow in Pillow's TiffDecode allows attackers to execute arbitrary code or cause denial of service via crafted YCbCr files.","user_interaction":"not_required","vuln_class":"memory_corruption"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"pillow","vendor":"python"}],"cvss":{"score":9.8,"severity":"critical","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"description":"An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. NOTE: this issue exists because of an incomplete fix for CVE-2020-35654.","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":"Out of bounds write in Pillow","id":"CVE-2021-25289","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":"python:pillow","products":["python:pillow"],"type":"memory_corruption","year":"2021"},"n_packages":4,"n_references":2,"next":{"headline":"Out-of-bounds Write in Pillow","id":"CVE-2021-25290"},"packages":[{"ecosystem":"Bitnami","fixed":["8.1.1"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":"pkg:bitnami/pillow","source":"BIT-pillow-2021-25289"},{"ecosystem":"PyPI","fixed":["8.1.1"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":null,"source":"GHSA-57h3-9rgr-c24m"},{"ecosystem":"PyPI","fixed":["8.1.1"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":"pkg:pypi/pillow","source":"GHSA-57h3-9rgr-c24m"},{"ecosystem":"PyPI","fixed":["8.1.1"],"introduced":["0"],"last_affected":[],"package":"pillow","purl":"pkg:pypi/pillow","source":"PYSEC-2021-35"}],"prev":{"headline":"Pillow Out-of-bounds Read vulnerability","id":"CVE-2021-25288"},"products":["n/a"],"published":"2021-03-19","related":[{"cvss_score":10,"headline":"Pillow command injection","id":"CVE-2014-3007","kev_date_added":null,"published":"2014-04-27"},{"cvss_score":9.8,"headline":"Pillow multi-frame loaders can reuse stale native image storage after mode transitions","id":"CVE-2026-96639","kev_date_added":null,"published":"2026-10-21"},{"cvss_score":9.8,"headline":"Buffer over-flow in Pillow","id":"CVE-2022-30595","kev_date_added":null,"published":"2022-05-25"},{"cvss_score":9.8,"headline":"Pillow Integer overflow in ImagingResampleHorizontal","id":"CVE-2016-4009","kev_date_added":null,"published":"2016-04-13"},{"cvss_score":9.2,"headline":"Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO","id":"CVE-2026-112393","kev_date_added":null,"published":"2026-10-19"},{"cvss_score":9.2,"headline":"Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution","id":"CVE-2026-112398","kev_date_added":null,"published":"2026-10-19"}],"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":"Heap-based buffer overflow in Pillow's TiffDecode allows attackers to execute arbitrary code or cause denial of service via crafted YCbCr files.","url":"https://insights.sbomify.com/CVE-2021-25289/"}