CVE Tools

Proxygen

13 CVEs tracked. 1 of them are in CISA KEV.

This hub aggregates every CVE we track for Proxygen, a product in the communications space. Use it to gauge the current risk picture and drill into individual advisories.

Proxygen CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Proxygen CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-121
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-071
2026-080
2026-090

Severity

How the 13 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical431%
  • High862%
  • Medium18%

Latest CVEs

The 13 most recently published vulnerabilities affecting Proxygen.

  1. CVE-2026-44909Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGS_INITIAL_WIND...7.5
  2. CVE-2025-55181Sending 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 d...5.3
  3. CVE-2023-44487The 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 2023.7.5
  4. CVE-2021-24029A 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 s...7.5
  5. CVE-2020-1897A 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...9.8
  6. CVE-2019-11940In 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-fr...9.8
  7. CVE-2019-11921An 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 H...9.8
  8. CVE-2018-6347An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This affects Proxygen prior to v2018.12.31.00.7.5
  9. CVE-2018-6343Proxygen 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 fi...7.5
  10. CVE-2018-6346A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a circular dependency). This affects Proxygen prior to v2018.12.31.00.7.5
  11. CVE-2015-7264The SPDY/2 codec in Facebook Proxygen before 2015-11-09 truncates a certain field to two bytes, which allows hijacking and injection attacks.9.8
  12. CVE-2015-7265Facebook Proxygen before 2015-11-09 mismanages HTTPMessage.request state, which allows remote attackers to conduct hijacking attacks and bypass ACL checks.7.5
  13. CVE-2015-7263The SPDY/2 codec in Facebook Proxygen before 2015-11-09 allows remote attackers to conduct hijacking attacks and bypass ACL checks via a crafted host value.7.5

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