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Including CVEs outside Waratek scope✕Vendor facebook✕Product proxygen✕
Overview 7 matches · 1 in Waratek scope · 0 protected · 1 exploited · 1 CISA KEV · 1 public PoC · 1 EPSS ≥ 0.5
7matches 1in Waratek scope14.3% 0protected0.0% 1exploited14.3% 1CISA KEV14.3% 1public PoC14.3% 1EPSS ≥ 0.514.3%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 1 14.3% No exploit published 0 0.0% Outside Waratek scope 0 0.0% Not applicable 6 85.7% Withdrawn CVE 0 0.0%
Critical 3 42.9% High 3 42.9% Medium 1 14.3% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 7 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 1 14.3% Working exploit published 0 0.0% Proof of concept only 0 0.0% Forecast only 0 0.0% No public exploit 6 85.7%
split by peak 2 / year
Not applicable: 6Mitigation candidate: 1 Medium: 1High: 3Critical: 3 not blocked: 7 No public exploit: 6Exploited: 1
20181 Not applicable1 High1 not blocked1 No public exploit1 20192 Not applicable2 Critical2 not blocked2 No public exploit2 20201 Not applicable1 Critical1 not blocked1 No public exploit1 20211 Not applicable1 High1 not blocked1 No public exploit1 20220 20231 Mitigation candidate1 High1 not blocked1 Exploited1 20240 20251 Not applicable1 Medium1 not blocked1 No public exploit1
20182019202020212022202320242025
7 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed.
CVE Severity Published▾ Status Exploitation Description
CVE-2025-55181 Medium 2025-12-02 Not applicable No public exploit 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.
CVE-2023-44487 High 2023-10-10 Mitigation candidate Exploited The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVE-2021-24029 High 2021-03-15 Not applicable No public exploit A packet of death scenario is possible in mvfst via a specially crafted message during a QUIC session, which causes a crash via a failed assertion. Per QUIC specification, this particular message should be treated as a connection error. This issue affects mvfst versions prior to commit a67083ff4b8dcbb7ee2839da6338032030d712b0 and proxygen versions prior to v2021.03.15.00.
CVE-2020-1897 Critical 2020-05-18 Not applicable No public exploit A use-after-free is possible due to an error in lifetime management in the request adaptor when a malicious client invokes request error handling in a specific sequence. This issue affects versions of proxygen prior to v2020.05.18.00.
CVE-2019-11940 Critical 2019-12-04 Not applicable No public exploit In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00.
CVE-2019-11921 Critical 2019-07-25 Not applicable No public exploit An out of bounds write is possible via a specially crafted packet in certain configurations of Proxygen due to improper handling of Base64 when parsing malformed binary content in Structured HTTP Headers. This issue affects versions of proxygen prior to v2019.07.22.00.
CVE-2018-6343 High 2018-12-31 Not applicable No public exploit Proxygen fails to validate that a secondary auth manager is set before dereferencing it. That can cause a denial of service issue when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport. This issue affects Proxygen releases starting from v2018.10.29.00 until the fix in v2018.11.19.00.