cve-2021-34558

PoC para CVE-2021-34558 root@kitploit: Run the malicious TLS server go run main.go -mode server Run a normal http.Get client call against the server which panics go run main.go -mode client Hay una modificación menor en ./vendor/github.com/refraction-networking/utls/handshakeserver.go para permit...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

ALSA-2026:66364 Important: git-lfs security update

Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server. Security Fixes: encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal...

RHEL 9 : git-lfs (RHSA-2026:66364)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:66364 advisory. Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while...

opentelemetry-collector security update

An update is available for opentelemetry-collector. 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 Collector with the supported components for a Rocky Enterpri...

ALSA-2026:64788 Important: git-lfs security update

Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server. Security Fixes: encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal...

Important: Red Hat Security Advisory: rhc security update

An update for rhc is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RockyLinux 9 : grafana-pcp (RLSA-2026:63136)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:63136 advisory. encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal CVE-2026-33818 net/url: golang: golang net/url: Denial o...

Alibaba Cloud Linux 3 : 0250: osbuild-composer (ALINUX3-SA-2026:0250)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0250 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-32280: During chain building, the...

Important: Red Hat Security Advisory: Streams for Apache Kafka 3.2.1 release and security update

Streams for Apache Kafka 3.2.1 is now available from the Red Hat Customer Portal. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

crypto/tls: golang: Go crypto/tls: Information disclosure in Encrypted Client Hello

A flaw was found in the crypto/tls package in Go. Handshakes utilizing Encrypted Client Hello ECH could lead to de-anonymization by a passive network observer. This is due to the disclosure of pre-shared key identities within the unencrypted client hello, allowing an attacker to potentially link...

crypto/tls: golang: Go crypto/tls: Information disclosure in Encrypted Client Hello

A flaw was found in the crypto/tls package in Go. Handshakes utilizing Encrypted Client Hello ECH could lead to de-anonymization by a passive network observer. This is due to the disclosure of pre-shared key identities within the unencrypted client hello, allowing an attacker to potentially link...

RLSA-2026:24470 Important: podman security update

The podman tool manages pods, container images, and containers. It is part of the libpod library, which is for applications that use container pods. Container pods is a concept in Kubernetes. Security Fixes: crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

Alibaba Cloud Linux 3 : 0121: grafana (ALINUX3-SA-2026:0121)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0121 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-32280: A flaw was found in the Go...

crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...

RHEL 10 : yggdrasil (RHSA-2026:17075)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:17075 advisory. yggdrasil is a system daemon that subscribes to topics on an MQTT broker and routes any data received on the topics to an appropriate chil...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to an information disclosure in Golang Go - crypto/tls (CVE-2025-61730)

Summary IBM Watson Speech Services Cartridge is vulnerable to an information disclosure in Golang Go - crypto/tls, where encryption levels fail to change after multiple messages during TLS 1.3 handshakes CVE-2025-61730. Golang Go - crypto/tls is used in our speech-utilities. This vulnerabilitiy h...