DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 6.2.0, 6.3.0, 7.0.0, 7.1.0, and 7.2.0 of Crowd Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an...

RHCOS 4 : OpenShift Container Platform 4.15.67 (RHSA-2026:43225)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:43225 advisory. - google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation...

@0x0.bug/pi-coding-agent (1.0.0), @0xwork/connect (>=0.1.0, <=0.1.9) +1195 more potentially affected by CVE-2026-14643 via undici (>=8.0.0, <=8.8.0)

undici NPM version =8.0.0, =0.1.0, =1.0.0, =0.2.0, =5.0.1-staging.19033314d476, =5.0.1-staging.19033314d476, =5.1.1-staging.00ceebd28cf2, =5.1.1-staging.00ceebd28cf2, =5.0.1-staging.19033314d476, =5.0.1-staging.3abdf9534c25, =0.1.0, =2026.6.2, =2026.6.5 and more Source cves: CVE-2026-14643 Source...

GHSA-Q3G2-M552-3R9C swift-nio-http2: Missing CR/LF/NUL validation in header values

Summary SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. Impact Two related gaps in inbound header...

CVE-2026-64785

SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2...

CVE-2026-44909

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

SUSE CVE-2026-56819

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content...

PT-2026-63548

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description The HTTP/2-to-HTTP/1.x translation layer, specifically within Http2StreamFrameToHttpObjectCodec and InboundHttp2ToHttpAdapter, fails to deduplicate or...

CVE-2026-54340

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 9265bdd, there is an HTTP/2 state amplification issue that combines HPACK decompression amplification with Slowloris-style stream stalling. Amplified decoded header state can be retained by stalled HTTP/2 streams,...

AZL-92402 CVE-2026-15713 affecting package libsoup 3.4.4-16

A vulnerability was found in libsoup's HTTP/2 protocol implementation. The library fails to correctly release memory context blocks under specific stream termination conditions, such as when an HTTP/2 connection encounters window exhaustion or explicit stream resets. A remote, unauthenticated...

AZL-92409 CVE-2026-15712 affecting package libsoup 3.4.4-16

A heap buffer over-read vulnerability was discovered in libsoup's versions: libsoup 3.0 to 3.7.0 HTTP/2 connection tracking framework. When the library processes an HTTP/2 GOAWAY frame, it improperly handles the "Additional Debug Data" payload by assuming the data stream is a safely NUL-terminate...

RockyLinux 8 : nginx:1.24 (RLSA-2026:38847)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:38847 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

RHEL 8 : nginx:1.24 (RHSA-2026:38847)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:38847 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...

DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Jira Software Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 9.12.1, 9.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.1, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and...

AlmaLinux 9 : nginx:1.24 (ALSA-2026:36618)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:36618 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

AlmaLinux 9 : nginx:1.26 (ALSA-2026:36639)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:36639 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

AlmaLinux 9 : nginx (ALSA-2026:36331)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:36331 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

nginx security, bug fix, and enhancement update

An update is available for nginx. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list nginx is a web and proxy server supporting HTTP and other protocols, with a...

RHEL 9 : nginx (RHSA-2026:36331)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:36331 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...

Node.js: HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion

A flaw in Node.js HTTP/2 handling was discovered that could cause HTTP/2 retained header blocks to evade the maxSessionMemory setting and enable remote memory exhaustion...