{"answers":{"affected":"3 open source packages ship an affected version, including pypdf. It affects 1 product.","exploited":"There is no known exploitation of CVE-2025-55197 in the wild and no public exploit code.","fix":"Upgrade pypdf to 6.0.0 or later.","what":"CVE-2025-55197 is a medium-severity denial of service vulnerability in Pypdf Project Pypdf, published on 13 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2025-55197 and fix it if it is affected.\n\nWhat it is: CVE-2025-55197 is a medium-severity denial of service vulnerability in Pypdf Project Pypdf, published on 13 Aug 2025. 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-2025-55197 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- pypdf (PyPI): affected all versions; fixed in 6.0.0\n- pypdf (PyPI): affected all versions; fixed in 6.0.0\n- pypdf (PyPI): affected all versions; fixed in 6.0.0\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-2025-55197/ (Markdown: https://insights.sbomify.com/CVE-2025-55197/index.md)","id":"CVE-2025-55197","markdown":"https://insights.sbomify.com/CVE-2025-55197/index.md","name":"CVE-2025-55197","record":{"aliases":["CLSA-2025-1759968741","DEBIAN-CVE-2025-55197","GHSA-7hfw-26vp-jp8m","PYSEC-2026-1830","UBUNTU-CVE-2025-55197","openSUSE-SU-2025:15439-1"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Python PDF library","requires_auth":"none","summary":"Attackers can exhaust RAM by crafting malicious PDFs with specific FlateDecode filters, causing denial of service in applications using pypdf.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"pypdf","vendor":"pypdf_project"}],"cvss":{"score":6.6,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U","version":"4.0"},"cwes":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"},{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"description":"pypdf is a free and open-source pure-python PDF library. Prior to version 6.0.0, an attacker can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are affected on explicit access. This issue has been fixed in 6.0.0. If an update is not possible, a workaround involves including the fixed code from pypdf.filters.decompress into the existing filters file.","ecosystems":["PyPI","openSUSE:Tumbleweed"],"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":"pypdf's Manipulated FlateDecode streams can exhaust RAM","id":"CVE-2025-55197","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":"pypdf_project:pypdf","products":["pypdf_project:pypdf"],"type":"denial_of_service","year":"2025"},"n_packages":4,"n_references":5,"next":{"headline":"Helm May Panic Due To Incorrect YAML Content","id":"CVE-2025-55198"},"packages":[{"ecosystem":"PyPI","fixed":["6.0.0"],"introduced":["0"],"last_affected":[],"package":"pypdf","purl":null,"source":"GHSA-7hfw-26vp-jp8m"},{"ecosystem":"PyPI","fixed":["6.0.0"],"introduced":["0"],"last_affected":[],"package":"pypdf","purl":"pkg:pypi/pypdf","source":"GHSA-7hfw-26vp-jp8m"},{"ecosystem":"PyPI","fixed":["6.0.0"],"introduced":["0"],"last_affected":[],"package":"pypdf","purl":"pkg:pypi/pypdf","source":"PYSEC-2026-1830"},{"ecosystem":"openSUSE:Tumbleweed","fixed":["6.0.0-1.1"],"introduced":["0"],"last_affected":[],"package":"python-pypdf","purl":"pkg:rpm/opensuse/python-pypdf\u0026distro=openSUSE%20Tumbleweed","source":"openSUSE-SU-2025:15439-1"}],"prev":{"headline":"External Secrets Operator's Missing Namespace Restriction Allows Unauthorized Secret Access","id":"CVE-2025-55196"},"products":["pypdf"],"published":"2025-08-13","related":[{"cvss_score":8.7,"headline":"pypdf: Possible large memory usage when retrieving Roman page labels","id":"CVE-2026-102993","kev_date_added":null,"published":"2026-09-30"},{"cvss_score":8.7,"headline":"pypdf: Possible long runtimes/large memory usage when parsing indirect objects","id":"CVE-2026-102994","kev_date_added":null,"published":"2026-09-30"},{"cvss_score":8.7,"headline":"pypdf: Possible large memory usage for large /ToUnicode streams (Follow-up 2)","id":"CVE-2026-102995","kev_date_added":null,"published":"2026-09-30"},{"cvss_score":8.7,"headline":"pypdf: Possible large memory usage when parsing font data","id":"CVE-2026-102996","kev_date_added":null,"published":"2026-09-30"},{"cvss_score":8.7,"headline":"pypdf: Possible long runtimes for partially malformed FlateDecode streams (Follow-up)","id":"CVE-2026-102997","kev_date_added":null,"published":"2026-09-30"},{"cvss_score":8.7,"headline":"pypdf: Possible long runtimes when generating appearance streams","id":"CVE-2026-102998","kev_date_added":null,"published":"2026-09-30"},{"cvss_score":8.7,"headline":"pypdf: Possible long runtimes with large amount of embedded files","id":"CVE-2026-102999","kev_date_added":null,"published":"2026-09-30"}],"sources":[{"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":"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":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-08-14","vendors":["py-pdf"]},"summary":"Attackers can exhaust RAM by crafting malicious PDFs with specific FlateDecode filters, causing denial of service in applications using pypdf.","url":"https://insights.sbomify.com/CVE-2025-55197/"}