CVE-2026-43974

The CVE concerns the gun_http module of the Erlang-based Gun library (gun_http) in the Gun HTTP client. Affected versions: Gun 2.0.0 up to but not including 2.4.0. Root cause: when a 101 Switching Protocols response arrives over HTTP/1.1, Gun only validates the Upgrade header syntax and the strea...

EEF-CVE-2026-43974 gun HTTP/1.1 client accepts unsolicited 101 Switching Protocols response allowing server-driven protocol hijack and OOM

Summary Unexpected Status Code or Return Value vulnerability in ninenines gun gun\http module allows a malicious HTTP server to force the client into raw protocol mode via an unsolicited 101 Switching Protocols response. In gun\http:handle\inform/8, when a 101 Switching Protocols response is...

Important: rclone

Issue Overview: Parsing a malicious font file can cause excessive memory allocation. CVE-2026-33812 An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected user...

Important: runfinch-finch

Issue Overview: An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state a...

Important: nerdctl

Issue Overview: Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. CVE-2026-25680 Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt ...

Important: nerdctl

Issue Overview: Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. CVE-2026-25680 Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt ...

Amazon Linux 2023 : containerd, containerd-stress (ALAS2023-2026-1784)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1784 advisory. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected...

Important: containerd

Issue Overview: An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state a...

Important: docker

Issue Overview: The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated client...

Important: rclone

Issue Overview: The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated client...

Important: containerd

Issue Overview: An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state a...

Important: docker

Issue Overview: The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively large modulus or DSA parameter could cause several minutes of CPU consumption during signature verification. This could be triggered by unauthenticated client...

Amazon Linux 2023 : nerdctl (ALAS2023-2026-1788)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1788 advisory. Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. CVE-2026-25680 Parsing arbitrary HTML which is then rendered using Render can result in an...

Amazon Linux 2 : rclone, --advisory ALAS2-2026-3348 (ALAS-2026-3348)

The version of rclone installed on the remote host is prior to 1.55.1-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3348 advisory. The RSA and DSA public key parsers did not enforce size limits on key parameters. A crafted public key with an excessively...

Important: containerd

Issue Overview: An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state a...

Amazon Linux 2023 : runfinch-finch (ALAS2023-2026-1809)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1809 advisory. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected...

Amazon Linux 2 : runfinch-finch, --advisory ALAS2DOCKER-2026-128 (ALASDOCKER-2026-128)

The version of runfinch-finch installed on the remote host is prior to 1.17.1-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DOCKER-2026-128 advisory. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounde...

Amazon Linux 2 : containerd, --advisory ALAS2NITRO-ENCLAVES-2026-109 (ALASNITRO-ENCLAVES-2026-109)

The version of containerd installed on the remote host is prior to 2.1.7-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NITRO-ENCLAVES-2026-109 advisory. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused...

EulerOS Virtualization 2.13.1 : avahi (EulerOS-SA-2026-2120)

According to the versions of the avahi package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, ...

EulerOS Virtualization 2.13.0 : avahi (EulerOS-SA-2026-2159)

According to the versions of the avahi package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, ...