{"url":"http://public2.vulnerablecode.io/api/packages/27481?format=json","purl":"pkg:pypi/pypdf2@1.20","type":"pypi","namespace":"","name":"pypdf2","version":"1.20","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"1.27.9","latest_non_vulnerable_version":"1.27.9","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/36082?format=json","vulnerability_id":"VCID-mk24-vhea-5fdj","summary":"PyPDF2 is an open source python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. In versions prior to 1.27.5 an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop if the PyPDF2 if the code attempts to get the content stream. The reason is that the last while-loop in `ContentStream._readInlineImage` only terminates when it finds the `EI` token, but never actually checks if the stream has already ended. This issue has been resolved in version `1.27.5`. Users unable to upgrade should validate and PDFs prior to iterating over their content stream.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-24859.json","reference_id":"","reference_type":"","scores":[{"value":"5.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-24859.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24859","reference_id":"","reference_type":"","scores":[{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31443","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31475","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31512","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31547","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00127","scoring_system":"epss","scoring_elements":"0.31479","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24859"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24859","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24859"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/pypdf2/PYSEC-2022-194.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pypdf2/PYSEC-2022-194.yaml"},{"reference_url":"https://github.com/py-pdf/PyPDF2","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/py-pdf/PyPDF2"},{"reference_url":"https://github.com/py-pdf/PyPDF2/issues/329","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:48:47Z/"}],"url":"https://github.com/py-pdf/PyPDF2/issues/329"},{"reference_url":"https://github.com/py-pdf/PyPDF2/pull/740","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:48:47Z/"}],"url":"https://github.com/py-pdf/PyPDF2/pull/740"},{"reference_url":"https://github.com/py-pdf/PyPDF2/releases/tag/1.27.5","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:48:47Z/"}],"url":"https://github.com/py-pdf/PyPDF2/releases/tag/1.27.5"},{"reference_url":"https://github.com/py-pdf/PyPDF2/security/advisories/GHSA-xcjx-m2pj-8g79","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:48:47Z/"}],"url":"https://github.com/py-pdf/PyPDF2/security/advisories/GHSA-xcjx-m2pj-8g79"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2022/06/msg00001.html","reference_id":"","reference_type":"","scores":[{"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Algorithmic Complexity\npypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. This issue has been addressed in PR 808 and versions from 1.27.9 include this fix. Users are advised to upgrade. There are no known workarounds for this vulnerability.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-36810","reference_id":"","reference_type":"","scores":[{"value":"0.00165","scoring_system":"epss","scoring_elements":"0.37242","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00165","scoring_system":"epss","scoring_elements":"0.3728","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00165","scoring_system":"epss","scoring_elements":"0.37313","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00165","scoring_system":"epss","scoring_elements":"0.37307","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-36810"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36810","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36810"},{"reference_url":"https://github.com/py-pdf/pypdf","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/py-pdf/pypdf"},{"reference_url":"https://github.com/py-pdf/pypdf/commit/c6c56f550bb384e05f0139c796ba1308837d6373","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/py-pdf/pypdf/commit/c6c56f550bb384e05f0139c796ba1308837d6373"},{"reference_url":"https://github.com/py-pdf/pypdf/issues/582","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-04T21:19:20Z/"}],"url":"https://github.com/py-pdf/pypdf/issues/582"},{"reference_url":"https://github.com/py-pdf/pypdf/pull/808","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-04T21:19:20Z/"}],"url":"https://github.com/py-pdf/pypdf/pull/808"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00019.html","reference_id":"","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-04T21:19:20Z/"}],"url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00019.html"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36810","reference_id":"CVE-2023-36810","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36810"},{"reference_url":"https://github.com/advisories/GHSA-jrm6-h9cq-8gqw","reference_id":"GHSA-jrm6-h9cq-8gqw","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-jrm6-h9cq-8gqw"},{"reference_url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-jrm6-h9cq-8gqw","reference_id":"GHSA-jrm6-h9cq-8gqw","reference_type":"","scores":[{"value":"6.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-11-04T21:19:20Z/"}],"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-jrm6-h9cq-8gqw"},{"reference_url":"https://usn.ubuntu.com/6280-1/","reference_id":"USN-6280-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6280-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/65830?format=json","purl":"pkg:pypi/pypdf2@1.27.9","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/pypdf2@1.27.9"}],"aliases":["CVE-2023-36810","GHSA-jrm6-h9cq-8gqw"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-zd7t-4fxm-47bm"}],"fixing_vulnerabilities":[],"risk_score":"3.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