CVE-2025-55181

{"id": "CVE-2025-55181", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve-assign@fb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2025-12-02T22:16:08.380", "references": [{"url": "https://github.com/facebook/proxygen/commit/17689399ef99b7c3d3a8b2b768b1dba1a4b72f8f", "tags": ["Patch"], "source": "cve-assign@fb.com"}, {"url": "https://www.facebook.com/security/advisories/cve-2025-55181", "tags": ["Vendor Advisory"], "source": "cve-assign@fb.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-834"}]}], "descriptions": [{"lang": "en", "value": "Sending an HTTP request/response body with greater than 2^31 bytes triggers an infinite loop in proxygen::coro::HTTPQuicCoroSession which blocks the backing event loop and unconditionally appends data to a std::vector per-loop iteration. This issue leads to unbounded memory growth and eventually causes the process to run out of memory."}], "lastModified": "2025-12-19T18:02:26.070", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04739A4D-B1C7-4118-BFA2-0ED356D20275", "versionEndIncluding": "2025.12.01.00", "versionStartIncluding": "2025.08.25.00"}], "operator": "OR"}]}], "sourceIdentifier": "cve-assign@fb.com"}