Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/48153?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/48153?format=api", "vulnerability_id": "VCID-6wzh-4g3t-93gv", "summary": "Starlette vulnerable to O(n^2) DoS via Range header merging in ``starlette.responses.FileResponse``\nAn unauthenticated attacker can send a crafted HTTP Range header that triggers quadratic-time processing in Starlette's `FileResponse` Range parsing/merging logic. This enables CPU exhaustion per request, causing denial‑of‑service for endpoints serving files (e.g., `StaticFiles` or any use of `FileResponse`).", "aliases": [ { "alias": "CVE-2025-62727" }, { "alias": "GHSA-7f5h-v6xp-fcq8" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/129744?format=api", "purl": "pkg:deb/debian/starlette@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/starlette@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/129734?format=api", "purl": "pkg:deb/debian/starlette@0.14.1-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2c5q-buqw-u7ex" }, { "vulnerability": "VCID-71x5-qbjg-ukfq" }, { "vulnerability": "VCID-8crr-rfdt-p7bq" }, { "vulnerability": "VCID-vgxy-kjyx-bqfm" }, { "vulnerability": "VCID-z97b-rhv4-17c5" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/starlette@0.14.1-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/129735?format=api", "purl": "pkg:deb/debian/starlette@0.26.1-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/starlette@0.26.1-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/129739?format=api", "purl": "pkg:deb/debian/starlette@0.46.1-3%2Bdeb13u1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/starlette@0.46.1-3%252Bdeb13u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/129745?format=api", "purl": "pkg:deb/debian/starlette@0.50.0-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/starlette@0.50.0-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/129737?format=api", "purl": "pkg:deb/debian/starlette@1.1.0-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/starlette@1.1.0-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/50826?format=api", "purl": "pkg:pypi/starlette@0.49.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2c5q-buqw-u7ex" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starlette@0.49.1" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/50802?format=api", "purl": "pkg:pypi/starlette@0.39.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2c5q-buqw-u7ex" }, { "vulnerability": "VCID-6wzh-4g3t-93gv" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/starlette@0.39.0" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-62727.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-62727.json" }, { "reference_url": "https://github.com/Kludex/starlette", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Kludex/starlette" }, { "reference_url": "https://github.com/Kludex/starlette/commit/4ea6e22b489ec388d6004cfbca52dd5b147127c5", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Kludex/starlette/commit/4ea6e22b489ec388d6004cfbca52dd5b147127c5" }, { "reference_url": "https://github.com/Kludex/starlette/commit/69ed26a85956ef4bd0161807eb27abf49be7cd3c", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Kludex/starlette/commit/69ed26a85956ef4bd0161807eb27abf49be7cd3c" }, { "reference_url": "https://github.com/Kludex/starlette/releases/tag/0.49.1", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Kludex/starlette/releases/tag/0.49.1" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1119662", "reference_id": "1119662", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1119662" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2406929", "reference_id": "2406929", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2406929" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62727", "reference_id": "CVE-2025-62727", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62727" }, { "reference_url": "https://github.com/advisories/GHSA-7f5h-v6xp-fcq8", "reference_id": "GHSA-7f5h-v6xp-fcq8", "reference_type": "", "scores": [], "url": "https://github.com/advisories/GHSA-7f5h-v6xp-fcq8" }, { "reference_url": "https://github.com/Kludex/starlette/security/advisories/GHSA-7f5h-v6xp-fcq8", "reference_id": "GHSA-7f5h-v6xp-fcq8", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/Kludex/starlette/security/advisories/GHSA-7f5h-v6xp-fcq8" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:22759", "reference_id": "RHSA-2025:22759", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:22759" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:23078", "reference_id": "RHSA-2025:23078", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:23078" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:23079", "reference_id": "RHSA-2025:23079", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:23079" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:23080", "reference_id": "RHSA-2025:23080", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:23080" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:23131", "reference_id": "RHSA-2025:23131", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:23131" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:23133", "reference_id": "RHSA-2025:23133", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:23133" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2025:23531", "reference_id": "RHSA-2025:23531", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2025:23531" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:22993", "reference_id": "RHSA-2026:22993", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:22993" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:3461", "reference_id": "RHSA-2026:3461", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:3461" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:3462", "reference_id": "RHSA-2026:3462", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:3462" } ], "weaknesses": [ { "cwe_id": 400, "name": "Uncontrolled Resource Consumption", "description": "The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources." }, { "cwe_id": 407, "name": "Inefficient Algorithmic Complexity", "description": "An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." } ], "exploits": [], "severity_range_score": "7.0 - 8.9", "exploitability": "0.5", "weighted_severity": "8.0", "risk_score": 4.0, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-6wzh-4g3t-93gv" }