CVE-2026-43971

A flaw was found in ninenines cowlib. This vulnerability, due to improper encoding or escaping of output, allows an attacker to perform Link header directive smuggling. By manipulating the target URI, 'rel' value, or attribute keys in applications that process Link headers through cowlib, a remot...

AZL-90162 CVE-2026-43966 affecting package rabbitmq-server for versions less than 3.13.7-8

Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Request/Response Splitting' vulnerability in ninenines cowlib allows HTTP response splitting via non-VCHAR bytes in structured-fields string values. cowhttpstructhd:escapestring/2 in cowlib only escapes \ and ", passing all other byt...

UBUNTU-CVE-2026-7790

Uncontrolled Resource Consumption vulnerability in ninenines cowlib cowhttpte module allows Excessive Allocation. The chunked transfer-encoding parser in cowhttpte accepts an unbounded number of hex digits in the chunk-size field. Each digit causes a bignum multiplication Len 16 + digit, so parsi...

CVE-2026-43968

CVE-2026-43968 involves an CRLF injection in ninenines/cowlib, triggered by the SSE encoding path cow_sse:event/1. The root cause is improper neutralization of CRLF sequences: while id and event fields guard against \n, bare \r is not sanitized, and prefix_lines/2 used for data and comment fields...