Product by Facebook
Facebook Proxygen
17 known vulnerabilities in Facebook Proxygen (Facebook), 1 of them actively exploited (CISA KEV).
Key figures
17
Vulnerabilities
1
Actively exploited (KEV)
0
Used by ransomware
4
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| Critical | CVE-2023-44487 | HTTP/2 Rapid Reset Attack Vulnerability In CISA KEValso in 162 other products | 7.5 | |
| Critical | CVE-2019-11921 | Facebook Proxygen: Out-of-Bounds Write | 9.8 | |
| Critical | CVE-2019-11940 | Facebook Proxygen: Use After Free | 9.8 | |
| Critical | CVE-2020-1897 | Facebook Proxygen: Use-After-Free | 9.8 | |
| High | CVE-2018-6346 | Facebook Proxygen: Uncontrolled Resource Consumption | 7.5 | |
| High | CVE-2018-6347 | Facebook Proxygen: Uncontrolled Resource Consumption | 7.5 | |
| High | CVE-2026-44909 | Facebook Proxygen: Denial of Service | 7.5 | |
| High | CVE-2021-24029 | Facebook Mvfst: Reachable Assertion | 7.5 | |
| High | CVE-2026-91096 | Facebook Proxygen: security vulnerability | 7.5 | |
| High | CVE-2018-6343 | Facebook Proxygen: NULL Pointer Dereference | 7.5 | |
| High | CVE-2026-84895 | Facebook Proxygen: security vulnerability | 7.3 | |
| Medium | CVE-2026-91095 | Facebook Proxygen: security vulnerability | 5.3 | |
| Medium | CVE-2025-55181 | Facebook Proxygen: Infinite Loop | 5.3 | |
| Not rated | CVE-2026-119237 | Facebook Proxygen: Denial of Service | — | |
| Not rated | CVE-2026-121737 | Facebook Proxygen: Memory Corruption | — | |
| Not rated | CVE-2026-119235 | Facebook Proxygen: Denial of Service | — | |
| Not rated | CVE-2026-119233 | Facebook Proxygen: Denial of Service | — |