[SECURITY] Fedora 42 Update: asterisk-18.26.4-1.fc42

Asterisk is a complete PBX in software. It runs on Linux and provides all of the features you would expect from a PBX and more. Asterisk does voice over IP in three protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware...

[SECURITY] Fedora 43 Update: asterisk-18.26.4-1.fc43

Asterisk is a complete PBX in software. It runs on Linux and provides all of the features you would expect from a PBX and more. Asterisk does voice over IP in three protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware...

[SECURITY] Fedora 44 Update: asterisk-18.26.4-1.fc44

Asterisk is a complete PBX in software. It runs on Linux and provides all of the features you would expect from a PBX and more. Asterisk does voice over IP in three protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware...

CVE-2026-23741

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, the asterisk/contrib/scripts/astcoredumper runs as root, as noted by the NOTES tag on line 689 of the astcoredumper file. The script will source the conten...

CVE-2026-23740

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, when astcoredumper writes its gdb init and output files to a directory that is world-writable for example /tmp, an attacker with write permissionwhich is a...

CVE-2026-23740

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, when astcoredumper writes its gdb init and output files to a directory that is world-writable for example /tmp, an attacker with write permissionwhich is a...

CVE-2026-23739

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, the astxmlopen function in xml.c parses XML documents using libxml with unsafe parsing options that enable entity expansion and XInclude processing...

CVE-2026-23738

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using aststrappend. The...

CVE-2025-57767

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, and 22.5.2, if a SIP request is received with an Authorization header that contains a realm that wasn't in a previous 401 response's WWW-Authenticate header, or an Authorization header wi...

CVE-2025-54995

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions...

PT-2025-35098

Name of the Vulnerable Software and Affected Versions: Asterisk versions prior to 20.15.2 Asterisk versions prior to 21.10.2 Asterisk versions prior to 22.5.2 Description: Asterisk is an open source private branch exchange and telephony toolkit. If a Session Initiation Protocol SIP request is...

编号撤回

Asterisk is an Asterisk open source software for PBX systems that runs on Linux and supports IP calls using SIP, IAX, and H323 protocols. This CVE number has been withdrawn...

SpliceCom Maximiser Soft PBX Security Breach

Splicecom Maximiser Soft PBX is an IP phone. A security vulnerability exists in SpliceCom Maximiser Soft PBX v1.5 version and earlier versions, which stems from the use of default SSL certificates...

Asterisk SQL注入漏洞

Asterisk is a PBX system software that runs on Linux and supports IP calls using SIP, IAX, and H323 protocols.Asterisk suffers from a SQL injection vulnerability that can be exploited by attackers to cause user-supplied data to create corrupt SQL queries or possibly SQL injections...

The vulnerability of the PBX software for IP communications allows attackers to carry out cross-site scripting attacks.

The vulnerability of PBX software for IP communications is related to the lack of measures taken to protect the website structure. Exploiting this vulnerability allows a remote attacker to perform cross-site scripting attacks...

CVE-2019-20025

Certain builds of NEC SV9100 software could allow an unauthenticated, remote attacker to log into a device running an affected release with a hardcoded username and password, aka a Static Credential Vulnerability. The vulnerability is due to an undocumented user account with manufacturer privileg...

Asterisk Information Disclosure Vulnerability

Asterisk is a free software, open source software that implements the functionality of a telephone user switch PBX. Asterisk suffers from an information disclosure vulnerability that stems from insufficient RTCP packet validation, which allows an attacker to exploit the vulnerability to read the...

FreePBX callmenum Remote Code Execution (CVE-2012-4869)

FreePBX is an open source software implementation of a telephone Private Branch eXchange PBX. A code execution vulnerability exists in FreePBX software. Remote attacker can exploit this vulnerability to inject arbitrary PHP functions and commands...