CVE-2026-100664

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...

UBUNTU-CVE-2026-100659

Netty's HTTP/3 codec io.netty:netty-codec-http3 in versions 4.2.0.Final through 4.2.17.Final does not enforce the RFC 9114 requirement that the :authority pseudo-header field and a literal host header field, when both present, carry the same value. A remote unauthenticated peer can send a single...

UBUNTU-CVE-2026-100664

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...

CVE-2026-100700

A flaw was found in nodemailer. An inefficient regular expression within the address parser component is susceptible to excessive backtracking when evaluating untrusted input. A remote attacker can exploit this vulnerability by submitting crafted email header values containing long text sequences...

EUVD-2026-87673

nodemailer before 10.0.6 contains a denial of service vulnerability in the addressparser free-text fallback regex pattern that exhibits quadratic backtracking behavior. Attackers can supply crafted email header values with long whitespace-free runs to block the Node.js event loop for tens of...

CVE-2026-100664 Netty 4.2.2 through 4.2.17 HTTP/1 Host Header Authority Confusion

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...

CVE-2026-100664 Netty 4.2.2 through 4.2.17 HTTP/1 Host Header Authority Confusion

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...

EUVD-2026-87758

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...

CVE-2026-100664

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...

CVE-2026-100664 Netty 4.2.2 through 4.2.17 HTTP/1 Host Header Authority Confusion

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...

EUVD-2026-87753

Netty's HTTP/3 codec io.netty:netty-codec-http3 in versions 4.2.0.Final through 4.2.17.Final does not enforce the RFC 9114 requirement that the :authority pseudo-header field and a literal host header field, when both present, carry the same value. A remote unauthenticated peer can send a single...

CVE-2026-100659

Netty's HTTP/3 codec io.netty:netty-codec-http3 in versions 4.2.0.Final through 4.2.17.Final does not enforce the RFC 9114 requirement that the :authority pseudo-header field and a literal host header field, when both present, carry the same value. A remote unauthenticated peer can send a single...

CVE-2026-100659

Netty's HTTP/3 codec (io.netty:netty-codec-http3 ) in versions 4.2.0.Final through 4.2.17.Final fails to enforce the RFC 9114 requirement that the :authority pseudo-header and a literal host header must carry the same value. A remote unauthenticated peer can submit a HEADERS frame with conflictin...

CVE-2026-100646 SiYuan before v3.8.4 Authentication Bypass via Missing Origin Header

SiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8.3, the kernel's authentication guards CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go fail open when the HTTP Origin header is absent, on the incorrect assumptio...

CVE-2026-100646 SiYuan before v3.8.4 Authentication Bypass via Missing Origin Header

SiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8.3, the kernel's authentication guards CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go fail open when the HTTP Origin header is absent, on the incorrect assumptio...

CVE-2026-100646

The SiYuan personal knowledge management system (versions up to and including 3.8.3 ) is vulnerable to an authentication bypass because the kernel's authentication guards—specifically CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go—fail open when the HTTP Ori...

CVE-2026-100646 SiYuan before v3.8.4 Authentication Bypass via Missing Origin Header

SiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8.3, the kernel's authentication guards CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go fail open when the HTTP Origin header is absent, on the incorrect assumptio...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: Fixed a issue where partial COW operations by pedit led to corruption of the page cache. tcfpeditact calculates the COW range for skbensurewritable once before the key loop, using tcfpoffmaxhint. However, this hint...

CLEANSTART-2026-ES62774 Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU

Security vulnerability affects the loki package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

CVE-2026-100664: Improper Input Validation

Netty's HTTP/3 codec io.netty:netty-codec-http3 versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form HTTP/1 request-target. In HttpConversionUtil.toHttp3HeadersHttpMessage, boolean —...