CVE-2026-61911

Cyrus IMAP before 3.12.4 is affected by a Sieve mailbox existence oracle . An authenticated user can install a Sieve script that probes whether another user's private mailbox exists, or read the value of shared mailbox annotations , by observing which fileinto branch fires during LMTP delivery. T...

Vulnerabilities in Microsoft Exchange servers

Microsoft has identified 9 vulnerabilities in Exchange Server. A malicious individual can exploit these vulnerabilities to carry out Denial-of-Service attacks, impersonate other users, gain elevated privileges, execute arbitrary code, and/or access sensitive data. The most severe vulnerability,...

CVE-2026-86497

In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials...

CVE-2026-86497

In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials...

CVE-2026-86497

In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials...

EUVD-2026-72513

In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials...

CVE-2026-86497

JetBrains YouTrack versions before 2026.2.18769 contained a vulnerability in the mailbox configuration flow. Changing a mailbox host did not require re-authentication, allowing a project administrator to exfiltrate stored mailbox credentials . The CVSS 3.1 score is 6.8 (MEDIUM) with a network att...

CVE-2021-26855-d

Basic usage:python owamails.py -u -l -p optional arguments: root@kitploit: -h, --help show this help message and exit -u URL, --url URL Url, provide schema and not final / eg https://example.org -l LIST, --list LIST Users mailbox list -p PATH, --path PATH Path to write emails in xml format -f FQD...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053261)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053261 advisory. In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fwmboxindexxlate Although it is guided that mbox-cells...

CVE-2026-80822

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

AZL-99686 CVE-2026-80822 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

CVE-2026-80822 mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

CVE-2026-80822

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

CVE-2026-80822

CVE-2026-80822 affects the Linux kernel's mchp-ipc-sbi mailbox driver. The root cause is a missing null check on the return value of devm_kasprintf() in the function mchp_ipc_get_cluster_aggr_irq() . Without this check, a failed allocation could lead to a NULL pointer dereference. The fix adds a ...

EUVD-2026-71264

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

CVE-2026-80822 mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

[SECURITY] [DLA 4766-1] cyrus-imapd security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4766-1 [email protected] https://www.debian.org/lts/security/ Xavier Guimard September 01, 2026 https://wiki.debian.org/LTS -...

CVE-2026-40204

A flaw was found in Dovecot. This vulnerability allows an attacker to bypass Access Control List ACL restrictions through the ldamailboxautocreate feature. This could potentially grant unauthorized access to mailboxes or other restricted resources. Mitigation Mitigation for this issue is either n...

CVE-2026-80657

A flaw was found in the Linux kernel's accel/amdxdna component. The management mailbox channel cleanup helpers, xdnamailboxfreechannel and xdnamailboxstopchannel, could be called from error handling paths when the mgmtchann was already destroyed. This could lead to a NULL pointer dereference,...

CVE-2026-33606

A flaw was found in Dovecot. A malicious user can craft specific mail content that, when an administrator later uses the dsync tool with the stream protocol, is interpreted as dsync commands. This command injection allows the user to modify the state of mailboxes on the destination, including...