Security Bulletin: There is a vulnerability in netty-handler-4.1.133.Final.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-44249)

Summary There is a vulnerability in netty-handler-4.1.133.Final.ja used by IBM Maximo Manage application in IBM Maximo Application Suite. Vulnerability Details CVEID:CVE-2026-44249 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. In...

Amazon Linux 2 : golang, --advisory ALAS2-2026-3819 (ALAS-2026-3819)

The version of golang installed on the remote host is prior to 1.25.12-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3819 advisory. On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final...

MGASA-2026-0276 Updated golang packages fix security vulnerabilities

The updated packages fix security vulnerabilities: mime: quadratic complexity in WordDecoder.DecodeHeader. CVE-2026-42504 net/textproto: arbitrary input are included in errors without any escaping. CVE-2026-42507 crypto/x509: split candidate hostname only once. CVE-2026-27145 os: Root escape via...

netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

Amazon Linux 2023 : compat-golang-github-cpuguy83-md2man-2-devel, golang-github-cpuguy83-md2man, golang-github-cpuguy83-md2man-devel (ALAS2023-2026-1989)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1989 advisory. On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /...

Medium: credentials-fetcher

Issue Overview: On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open"symlink/"' will open "symlink" even when "symlink" is a symboli...

Medium: golang

Issue Overview: On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open"symlink/"' will open "symlink" even when "symlink" is a symboli...

Amazon Linux 2023 : golist (ALAS2023-2026-1976)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1976 advisory. On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /...

Amazon Linux 2023 : golang-github-burntsushi-toml, golang-github-burntsushi-toml-devel (ALAS2023-2026-1978)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1978 advisory. On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /...

Amazon Linux 2023 : credentials-fetcher (ALAS2023-2026-1975)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1975 advisory. On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /...

Medium: golang-github-burntsushi-toml-test

Issue Overview: On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open"symlink/"' will open "symlink" even when "symlink" is a symboli...

DEBIAN-CVE-2026-44452

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it ...

CVE-2026-44452 h2o is vulnerable to heap overrun

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it ...

CVE-2026-44452

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it ...

CVE-2026-44452

CVE-2026-44452 affects the h2o HTTP server (supports HTTP/1.x, 2, 3). Affected behavior occurs when a TLS/QUIC ClientHello contains a zero-length SNI extension; h2o can attempt to copy the hostname assuming NULL-termination, causing a heap/segmentation fault that may enable a denial-of-service. T...

Golang 1.25.x < 1.25.12 / 1.26.x < 1.26.5 Multiple Vulnerabilities

The version of Golang running on the remote host is 1.25.x prior to 1.25.12 or 1.26.x prior to 1.26.5. It is, therefore, affected by multiple vulnerabilities: - On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component...

openSUSE 16 Security Update : go1.26 (openSUSE-SU-2026:21341-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21341-1 advisory. This update for go1.26 fixes the following issues - Update to version go1.26.5 bsc1255111. - CVE-2026-39822: os: Root escape via symlink plus...

JLSEC-2026-708

Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer. Note that in wolfSSL, ECH is off by default, and the ECH standard is still evolving...

JLSEC-2026-711 Stack Buffer Overflow in `wc_HpkeLabeledExtract` via Oversized ECH Config

Stack Buffer Overflow in wcHpkeLabeledExtract via Oversized ECH Config. A vulnerability existed in wolfSSL 5.8.4 ECH Encrypted Client Hello support, where a maliciously crafted ECH config could cause a stack buffer overflow on the client side, leading to potential remote execution and client...

BIT-GOLANG-2026-42505 Invoking Encrypted Client Hello privacy leak in crypto/tls

Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello...