{"id":"CVE-2025-55181","aliases":["EUVD-2025-200372","GHSA-886p-82g3-p77g"],"status":"published","title":"Sending an HTTP request/response body with greater than 2^31 bytes triggers an infinite loop in...","description":"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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00314,"percentile":0.24596,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-834"],"published":"2025-12-02T22:13:31Z","modified":"2026-11-02T13:15:26Z","products":[{"vendor":"facebook","product":"proxygen"}],"references":[{"url":"https://www.facebook.com/security/advisories/cve-2025-55181","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/facebook/proxygen/commit/17689399ef99b7c3d3a8b2b768b1dba1a4b72f8f","tags":["x_refsource_CONFIRM","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55181"},{"url":"https://github.com/advisories/GHSA-886p-82g3-p77g"}],"sources":{"cve":[{"id":"CVE-2025-55181","description":"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.","status":"published","published":"2025-12-02T22:13:31.101Z","modified":"2025-12-03T00:33:57.022Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-834"],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-200372","description":"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.","status":"published","published":"2025-12-02T22:13:31Z","modified":"2025-12-03T00:33:57Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T19:49:10.716009Z"}],"ghsa":[{"id":"GHSA-886p-82g3-p77g","title":"Sending an HTTP request/response body with greater than 2^31 bytes triggers an infinite loop in...","description":"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.","status":"published","published":"2025-12-03T00:30:28Z","modified":"2025-12-03T03:31:21Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-834"],"updated_at":"2026-11-02T15:05:01.323335Z"}],"nvd":[{"id":"CVE-2025-55181","description":"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.","status":"published","published":"2025-12-02T22:16:08.38Z","modified":"2026-10-18T17:10:00.11Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-834"],"updated_at":"2026-11-02T14:11:47.746175Z"}],"osv":[{"id":"CVE-2025-55181","description":"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.","status":"published","published":"2025-12-02T22:16:08.38Z","modified":"2026-11-02T13:15:26.007545307Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:50.863921Z"}]}}