CVE-2026-43966 HTTP Response Splitting via Non-VCHAR Bytes in cow_http_struct_hd:escape_string/2

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...

CVE-2026-43966

CVE-2026-43966 describes a HTTP Response Splitting flaw in the Erlang/cowlib component, where cow_http_struct_hd:escape_string/2 only escapes backslash and quote, allowing CRLF injection into structured HTTP header values. The mismatch between the encoder (allows any byte) and the parser (accepts...

EEF-CVE-2026-43966 HTTP Response Splitting via Non-VCHAR Bytes in cow_http_struct_hd:escape_string/2

Summary 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...

CVE-2026-43966: Improper Neutralization of CRLF Sequences in HTTP Headers

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...

Cowlib injection vulnerability

Cowlib is a web protocol message parsing and building library developed by Nine Nines. Version 2.9.0 of Cowlib contains an injection vulnerability, which stems from improper handling of CRLF sequences. This vulnerability may lead to HTTP response splitting, allowing attackers to inject CRLFs...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via unvalidated response header values. An attacker can inject arbitrary headers by supplying specially crafted input. Remediation Upgrade crowcpp-crow to version 1.3.2 or higher. References - GitHub Commit -...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via unvalidated response header values. An attacker can inject arbitrary headers by supplying specially crafted input. Remediation A fix was pushed into the master branch but not yet published. References - GitHu...

CVE-2026-48596: Improper Neutralization of CRLF Sequences in HTTP Headers

Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Request/Response Splitting' vulnerability in elixir-tesla tesla allows HTTP header injection via Tesla.Multipart.addcontenttypeparam/2. Tesla.Multipart.addcontenttypeparam/2 appends caller-supplied strings to the multipart...

EUVD-2024-54938

Improper Validation of Certificate with Host Mismatch vulnerability in Akınsoft QR Menü allows HTTP Response Splitting. This issue affects QR Menü: from s1.05.05 before v1.05.12...

USN-8338-2: Apache HTTP Server regression

USN-8338-1 fixed vulnerabilities in Apache HTTP Server. The update introduced a regression that prevented modhttp2 from loading on Ubuntu 18.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Apache HTTP Server incorrectly...

SUSE SLES15 Security Update : apache2 (SUSE-SU-2026:2103-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2103-1 advisory. This update for apache2 fixes the following issues - CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957....

HTTP Response Splitting

Overview org.webjars.npm:hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Response Splitting via the serialize function. An attacker can inject arbitrary attributes into the Set-Cookie response header by supplying crafted input to the...

HTTP Response Splitting

Overview hono is an Ultrafast web framework for the Edges Affected versions of this package are vulnerable to HTTP Response Splitting via the serialize function. An attacker can inject arbitrary attributes into the Set-Cookie response header by supplying crafted input to the sameSite or priority...

USN-8338-1: Apache HTTP Server vulnerabilities

It was discovered that Apache HTTP Server incorrectly handled certain response headers. An attacker could possibly use this issue to perform HTTP response splitting attacks. This issue only affected Ubuntu 14.04 LTS. CVE-2023-38709 Will Dormann and David Warren discovered that Apache HTTP Server'...

USN-8338-1 apache2 vulnerabilities

It was discovered that Apache HTTP Server incorrectly handled certain response headers. An attacker could possibly use this issue to perform HTTP response splitting attacks. This issue only affected Ubuntu 14.04 LTS. CVE-2023-38709 Will Dormann and David Warren discovered that Apache HTTP Server'...

Security update for apache2

This update for apache2 fixes the following issues CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957. CVE-2026-24072: modrewrite elevation of privileges via apexpr bsc1263935. CVE-2026-28780: heap buffer overflow in modproxyajp via ajpmsgcheckheader bsc1264163...

SUSE-SU-2026:2103-1 Security update for apache2

This update for apache2 fixes the following issues - CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957. - CVE-2026-24072: modrewrite elevation of privileges via apexpr bsc1263935. - CVE-2026-28780: heap buffer overflow in modproxyajp via ajpmsgcheckheader bsc1264163. -...

CVE-2026-47069

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackneycookie:setcookie/3 function in src/hackneycookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the domain and...

CVE-2026-47069

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackneycookie:setcookie/3 function in src/hackneycookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the domain and...

EEF-CVE-2026-47069 CRLF injection in cookie domain/path options in hackney

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackney\cookie:setcookie/3 function in src/hackney\cookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the...