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Nninenines
Products
| Product | CVEs | Exploited | Latest |
| cowlib | 7 | – | Aug 18, 2026 |
| gun | 3 | – | Jun 8, 2026 |
| cowboy | 2 | – | Jul 28, 2026 |
Exploited and recent CVEs
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CVE-2026-43971
Medium 6.3
Link Header Directive Smuggling via Unescaped target/rel/Attribute Keys in cow_link:link/1
0.5%
-
CVE-2026-65624
Medium 6.9
Cowboy HTTP/1.1 max_headers Bypass via Duplicate Header Names Enables Memory Exhaustion
0.4%
-
CVE-2026-59248
High 8.7
Unbounded HPACK/QPACK prefixed-integer decoding in Cowlib causes memory-exhaustion DoS
0.3%
-
CVE-2026-43966
Medium 6.3
HTTP Response Splitting via Non-VCHAR Bytes in cow_http_struct_hd:escape_string/2
0.3%
-
CVE-2026-43973
High 8.7
gun HTTP/1.1 response buffer has no size limit allowing server-controlled memory exhaustion
0.5%
-
CVE-2026-43972
Medium 6.3
gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection
0.2%
-
CVE-2026-43974
High 8.7
gun HTTP/1.1 client accepts unsolicited 101 Switching Protocols response allowing server-driven protocol hijack and OOM
0.5%
-
CVE-2026-43970
High 8.2
Decompression Bomb in cow_spdy:inflate/2 Allows Memory Exhaustion via Crafted SPDY Frame
0.5%
-
CVE-2026-8466
High 8.2
Unbounded buffer accumulation in multipart header parsing causes denial of service in cowboy
0.4%
-
CVE-2026-43968
Medium 6.3
CR Injection in SSE Encoder Enables Event Splitting via cow_sse:event/1
0.3%
-
CVE-2026-7790
High 8.7
Unbounded chunk-size hex digits in cowlib cause quadratic CPU and memory DoS
0.4%
-
CVE-2026-43969
Low 2.1
Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1
0.1%