AZL-75053 CVE-2026-0865 affecting package python3 for versions less than 3.9.19-19

User-controlled header names and values containing newlines can allow injecting HTTP headers...

AZL-75032 CVE-2026-0865 affecting package python3 for versions less than 3.12.9-8

User-controlled header names and values containing newlines can allow injecting HTTP headers...

DEBIAN-CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

UBUNTU-CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

CVE-2026-0865: Python’s wsgiref.headers allows header newline injection via user-controlled header names/values. Affects CPython components handling HTTP headers; multiple OS vendors reference this in advisories (e.g., RHSA-2026:2128, USN-8018-1, ALSA-2026:2128, DLA-4455). Mitigation is to upgrad...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the wsgiref.headers.Headers. An attacker can manipulate HTTP responses by injecting arbitrary headers through user-controlled input containing newline characters. Remediation A fix was pushed into the master...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2026-0865 wsgiref.headers.Headers allows header newline injection

User-controlled header names and values containing newlines can allow injecting HTTP headers...

PSF-2026-6

User-controlled header names and values containing newlines can allow injecting HTTP headers...

CVE-2025-59465

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

AZL-75077 CVE-2025-59465 affecting package nodejs for versions less than 20.14.0-13

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

CVE-2025-59465

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

CVE-2025-11468 Folding email comments of unfoldable characters doesn't preserve parenthesis

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized...

Improper Neutralization

Overview Affected versions of this package are vulnerable to Improper Neutralization in the email header when folding a long comment that contains only unfoldable characters. An attacker can inject headers into a message between unhandled parentheses. Remediation A fix was pushed into the master...

CVE-2025-59465

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

CVE-2025-59465

CVE-2025-59465 is observed affecting Node.js packages across multiple Amazon Linux and Fedora advisories. The issue concerns Node.js HTTP/2 server handling of malformed HEADERS frames with oversized HPACK data, leading to a crash via an unhandled TLSSocket error (ECONNRESET) and remote DoS. Affec...