OESA-2026-3395 libssh2 security update

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count fr...

OESA-2026-3324 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2026-3323 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2026-3322 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2026-3321 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.9 packages and security update

Red Hat OpenShift Container Platform release 4.22.9 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a...

golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted AES-GCM packet decoder inputs

A flaw was found in golang.org/x/crypto/ssh. A remote attacker could send specially crafted inputs to the AES-GCM packet decoder. This could lead to an incorrectly placed cast from bytes to an integer, causing a server-side panic and resulting in a Denial of Service DoS for the affected system...

RHCOS 4 : OpenShift Container Platform 4.22.9 (RHSA-2026:51036)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:51036 advisory. - golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate CVE-2026-39835 -...

Security update for libssh2_org

This update for libssh2org fixes the following issues: CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. CVE-2026-58050: heap buffer overflow d...

Security update for libssh2_org

This update for libssh2org fixes the following issues: CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. CVE-2026-55199: pre-authentication DoS...

CVE-2026-11976

MonsterInsights Pro updates 10.2.0 and 10.2.2 were distributed from the official update bucket and contain a malicious file, class-system-check.php, due to a compromised AWS S3 bucket. Three distinct variants were observed on 2026-06-11, all using the same AES-256-GCM key, indicating a single thr...

SUSE-SU-2026:23056-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-3731: denial of Service via out-of-bounds read in SFTP extension name handler bsc1259377. - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: denial of service via oversized SFTP re...

CVE-2026-48077: Missing Authorization

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.1.0, the GET handler at /api/tenants/id/appointments/appointmentId performs no authorization check before returning the appointment record. Any party who knows or obtains...

CVE-2026-17578

Kong Event Gateway versions 1.0.0 through 1.1.1 and 1.2.0 do not enforce key rotation before reaching NIST SP 800-38D recommended usage limit for AES-GCM encryption keys with random nonces when the AWS IAM encryption feature is enabled. If a producer sends messages at a sustained high rate withou...

CVE-2026-17578 Kong Event Gateway AES-GCM nonce reuse due to missing key rotation enforcement

Kong Event Gateway versions 1.0.0 through 1.1.1 and 1.2.0 do not enforce key rotation before reaching NIST SP 800-38D recommended usage limit for AES-GCM encryption keys with random nonces when the AWS IAM encryption feature is enabled. If a producer sends messages at a sustained high rate withou...

CVE-2026-17578: Reusing a Nonce, Key Pair in Encryption

Kong Event Gateway versions 1.0.0 through 1.1.1 and 1.2.0 do not enforce key rotation before reaching NIST SP 800-38D recommended usage limit for AES-GCM encryption keys with random nonces when the AWS IAM encryption feature is enabled. If a producer sends messages at a sustained high rate withou...

SUSE SLES15 Security Update : libssh (SUSE-SU-2026:3463-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3463-1 advisory. - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: denial of service via...

JLSEC-2026-1144 Issue summary: The implementations of AES-SIV (RFC 5297) and AES-GCM-SIV (RFC 8452) mishandle the...

Issue summary: The implementations of AES-SIV RFC 5297 and AES-GCM-SIV RFC 8452 mishandle the authentication of AAD Additional Authenticated Data with an empty ciphertext allowing a forgery of such messages. Impact summary: An attacker can forge empty messages with arbitrary AAD to the victim's...

PT-2026-76181

Issue summary: The implementations of AES-SIV RFC 5297 and AES-GCM-SIV RFC 8452 mishandle the authentication of AAD Additional Authenticated Data with an empty ciphertext allowing a forgery of such messages. Impact summary: An attacker can forge empty messages with arbitrary AAD to the victim's...

JLSEC-2026-1084 CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS...

CMS Cryptographic Message Syntax parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182...