EUVD-2026-9056

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, an HTTP Response Header Injection vulnerability in the calibre Content Server allows any authenticated user to inject arbitrary HTTP headers into server responses via an...

CVE-2026-27810 calibre Vulnerable to HTTP Response Header Injection

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, an HTTP Response Header Injection vulnerability in the calibre Content Server allows any authenticated user to inject arbitrary HTTP headers into server responses via an...

CVE-2026-27810

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, an HTTP Response Header Injection vulnerability in the calibre Content Server allows any authenticated user to inject arbitrary HTTP headers into server responses via an...

Security update for python311

This update for python311 fixes the following issues: CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. CVE-2025-12781: inadequate parameter check can cause data integrity issues bsc1257108. CVE-2025-15282:...

SUSE-SU-2026:0693-1 Security update for python311

This update for python311 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2025-12781: inadequate parameter check can cause data integrity issues bsc1257108. - CVE-2025-1528...

CVE-2026-27810: Improper Neutralization of CRLF Sequences in HTTP Headers

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, an HTTP Response Header Injection vulnerability in the calibre Content Server allows any authenticated user to inject arbitrary HTTP headers into server responses via an...

EUVD-2026-8816

Koa has Host Header Injection via ctx.hostname...

Koa has Host Header Injection via ctx.hostname

Summary Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed Host header containing a @ symbol e.g., evil.com:[email protected] is received,...

GHSA-7GCC-R8M5-44QM Koa has Host Header Injection via ctx.hostname

Summary Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed Host header containing a @ symbol e.g., evil.com:[email protected] is received,...

Security update for python3

This update for python3 fixes the following issues: CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

SUSE-SU-2026:0664-1 Security update for python3

This update for python3 fixes the following issues: - CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters bsc1257029. - CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using...

Security update for python

This update for python fixes the following issues: CVE-2025-6075: Fixed performance degradation when using os.path.expandvars bsc1252974. CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. bsc1257031 CVE-2026-0865: Fixed a...

SUSE-SU-2026:0663-1 Security update for python

This update for python fixes the following issues: - CVE-2025-6075: Fixed performance degradation when using os.path.expandvars bsc1252974. - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. bsc1257031 - CVE-2026-0865:...

SUSE-SU-2026:0642-1 Security update for python313

This update for python313 fixes the following issues: Update to Python 3.13.12 - CVE-2026-0672: Fixed a HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel. bsc1257031 - CVE-2026-0865: Fixed a bug where a user-controlled header containing newlines...

HTTP Header Injection

Overview koa is a Koa web app framework Affected versions of this package are vulnerable to HTTP Header Injection via the hostname function in the. request.js file. An attacker can manipulate the value hostname by sending a specially crafted HTTP Host header containing an @ symbol, which can lead...

HTTP Header Injection

Overview org.webjars.npm:koa is a Koa web app framework Affected versions of this package are vulnerable to HTTP Header Injection via the hostname function in the. request.js file. An attacker can manipulate the value hostname by sending a specially crafted HTTP Host header containing an @ symbol...

CVE-2026-27959

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959 Koa has Host Header Injection via `ctx.hostname`

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's ctx.hostname API performs naive parsing of the HTTP Host header, extracting everything before the first colon without validating the input conforms to RFC 3986 hostname syntax. When a malformed...

CVE-2026-27959

Koa (Node.js) prior to versions 3.1.2 and 2.16.4 exposes a vulnerability in ctx.hostname: it naively parses the Host header and returns an attacker-controlled value when the header contains an invalid RFC 3986 hostname (e.g., with a @). This can affect URL generation, password reset links, email ...