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{"bugzilla": {"description": "pypdf: pypdf: Denial of Service via crafted PDF with FlateDecode filter", "id": "2491517", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2491517"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /FlateDecode filter with a PNG predictor. This vulnerability is fixed in 6.12.2.", "A flaw was found in pypdf (before 6.12.2). A crafted PDF that accesses a stream using the /FlateDecode filter with a PNG predictor can trigger excessively long processing times, leading to denial of service when the document is parsed."], "mitigation": {"lang": "en:us", "value": "Upgrade to pypdf 6.12.2 or later."}, "name": "CVE-2026-49460", "package_state": [{"cpe": "cpe:/a:redhat:exploit_intelligence:0", "fix_state": "Not affected", "package_name": "exploit-intelligence-tech-preview/vulnerability-analysis-rhel9", "product_name": "Exploit Intelligence"}, {"cpe": "cpe:/a:redhat:openshift_lightspeed", "fix_state": "Not affected", "package_name": "openshift-lightspeed/lightspeed-ocp-rag-rhel9", "product_name": "OpenShift Lightspeed"}, {"cpe": "cpe:/a:redhat:openshift_lightspeed", "fix_state": "Not affected", "package_name": "openshift-lightspeed-tech-preview/lightspeed-rag-tool-rhel9", "product_name": "OpenShift Lightspeed"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Not affected", "package_name": "ansible-automation-platform-25/lightspeed-chatbot-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Not affected", "package_name": "rhelai3/bootc-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Not affected", "package_name": "rhelai3/bootc-gaudi-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Not affected", "package_name": "rhelai3/bootc-rocm-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Not affected", "package_name": "rhelai3/disk-image-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-llama-stack-core-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "quay/quay-rhel9", "product_name": "Red Hat Quay 3"}], "public_date": "2026-06-22T20:28:16Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-49460\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-49460\nhttps://github.com/py-pdf/pypdf/pull/3806\nhttps://github.com/py-pdf/pypdf/releases/tag/6.12.2\nhttps://github.com/py-pdf/pypdf/security/advisories/GHSA-5hgr-hg42-57jg"], "statement": "pypdf is vulnerable to denial of service when parsing a crafted PDF containing a /FlateDecode stream with a PNG predictor. An attacker who can supply such a document for processing may cause the application to hang on long runtimes. Red Hat exposure is in Python services that use pypdf for PDF ingestion, including Quay, OpenShift logging/observability tooling, and other containerized apps that bundle the library for document handling.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.12.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pypdf", "source": "cna", "vendor": "py-pdf"}, "product": "pypdf", "vendor": "py-pdf"}], "created": "2026-06-22T23:00:11.396639+00:00", "updated": "2026-06-25T14:00:05.007903+00:00", "vendors": ["py-pdf", "py-pdf$PRODUCT$pypdf"]}