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CVE-2025-55181

5.3 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.3 · facebookNVD modified 2026-10-18 17:10

Affected (CPE criteria) 1

  • cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:*

References 2