Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: nginx (UTSA-2026-091420)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-091420 advisory. ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as...

Linux Distros Unpatched Vulnerability : CVE-2021-3618

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, suc...

BIT-NGINX-2021-3618

ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can redirect traffic fr...

Medium: vsftpd

Issue Overview: ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can...

Medium: vsftpd

Issue Overview: ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can...

Ubuntu 20.04 LTS : vsftpd vulnerability (USN-6379-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-6379-1 advisory. It was discovered that vsftpd was vulnerable to the ALPACA TLS protocol content confusion attack. A remote attacker could possibly use this issue to redirect...

Security Bulletin: IBM Robotic Process Automation for Cloud Pak is vulnerable to cross-protocol attacks due to sendmail (CVE-2021-3618)

Summary sendmail is used by IBM Robotic Process Automation for Cloud Pak as part of the antivirus container. CVE-2021-3618 Vulnerability Details CVEID:CVE-2021-3618 DESCRIPTION: Sendmail, vsftpd and NGINX could provide weaker than expected security, caused by an ALPACA application layer protocol...

Medium: nginx

Issue Overview: ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can...

Medium: vsftpd

Issue Overview: ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can...

Medium: sendmail

Issue Overview: ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can...

Amazon Linux 2023 : vsftpd (ALAS2023-2023-019)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-019 advisory. ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates...

Amazon Linux 2023 : sendmail, sendmail-cf, sendmail-milter (ALAS2023-2023-018)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-018 advisory. ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates...

CBL Mariner 2.0 Security Update: nginx / vsftpd (CVE-2021-3618)

The version of nginx / vsftpd installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-3618 advisory. - ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing...

SUSE: Security Advisory (SUSE-SU-2022:4266-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2022:4265-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE-SU-2022:4266-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2021-3618: Fixed the ALPACA attack limiting the number of errors after which the connection is closed bsc1187685...

SUSE-SU-2022:4265-1 Security update for nginx

This update for nginx fixes the following issues: - CVE-2021-3618: Fixed the ALPACA attack limiting the number of errors after which the connection is closed bsc1187685...

Debian dla-3203 : libnginx-mod-http-auth-pam - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3203 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3203-1 [email protected]...

SUSE: Security Advisory (SUSE-SU-2022:4192-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2022:4201-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...