7042 matches found
RuleForge: Automated Generation and Validation for Web Vulnerability Detection at Scale
Security teams face a challenge: the volume of newly disclosed Common Vulnerabilities and Exposures CVEs far exceeds the capacity to manually develop detection mechanisms. In 2025, the National Vulnerability Database published over 48,000 new vulnerabilities, motivating the need for automation. W...
A Taxonomy of Cognitive Security
Last week, I listened to a fascinating talk by K. Melton on cognitive security, cognitive hacking, and reality pentesting. The slides from the talk are here, but--even better--Menton has a long essay laying out the basic concepts and ideas. The whole thing is important and well worth reading, and...
March Linux Patch Wednesday
MarchLinux Patch Wednesday. In March, Linux vendors began addressing 575 vulnerabilities, which is 57 fewer than in February. Of these, 93 are in the Linux Kernel ⬇️ a significant decrease - there were 305 in February. There are two vulnerabilities with signs of in-the-wild exploitation: 🔻 RCE -...
Fedora 44 : mingw-expat (2026-cf814a1a06)
The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-cf814a1a06 advisory. Update to 2.7.5. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for this...
SUSE CVE-2026-27859
A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed...
Linux Distros Unpatched Vulnerability : CVE-2025-59031
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip- style attachments. Attacker can use specially crafted...
PT-2026-28800
Name of the Vulnerable Software and Affected Versions Nezha Monitoring versions 2.0.14 through 2.0.19 Description The software allows the 'PATCH /server/id' endpoint to accept and store nonexistent ddns profiles IDs for a server owned by a member. If a different user subsequently creates a DDNS...
Linux Distros Unpatched Vulnerability : CVE-2025-59032
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it...
Apple Sends Lock Screen Alerts to Outdated iPhones Over Active Web-Based Exploits
Apple is now sending Lock Screen notifications to iPhones and iPads running older versions of iOS and iPadOS to alert users of web-based attacks and urge them to install the update. The development was first reported by MacRumors. "Apple is aware of attacks targeting out-of-date iOS software,...
EUVD-2026-16573
If authusernamechars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out authusernamechars, or install fixed version. No publicly available exploits are...
EUVD-2026-16561
Dovecot SQL based authentication can be bypassed when authusernamechars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear authusernamechars. If this is not possible, install latest fixed version. No publicly available exploits...
CVE-2026-27858
Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No public...
ALPINE-CVE-2026-24031
Dovecot SQL based authentication can be bypassed when authusernamechars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear authusernamechars. If this is not possible, install latest fixed version. No publicly available exploits...
CVE-2025-59028
When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authentication sessions to fail. Invalid BASE64 data can be used to DoS a vulnerable server to break concurrent logins. Install fixed version or disable concurrency in login processes hea...
CVE-2026-27859
The CVE-2026-27859 issue concerns LMTP processing of mail messages with excessive RFC 2231 MIME parameters, which can cause unusually high CPU usage in the mail delivery process. Affected systems are those that rely on LMTP for mail transfer; the underlying cause is the handling/parsing of RFC 22...
CVE-2026-27859
A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed...
CVE-2026-27859
A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU time. Use MTA capabilities to limit RFC 2231 MIME parameters in mail messages, or upgrade to fixed...
CVE-2026-27858
Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No public...
CVE-2026-27858
Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No public...