thunderbird: Out-of-bounds read in IMAP response parser

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged ' ID' response, crashing Thunderbird. The affected parsing path is...

thunderbird: Information disclosure due to malicious IMAP server response

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js...

thunderbird: Information disclosure due to malicious IMAP server response

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js...

thunderbird: Information disclosure due to malicious IMAP server response

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js...

Debian dsa-6526 : dovecot-auth-lua - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6526 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6526-1 [email protected] https://www.debian.org/securit...

Important: thunderbird

Issue Overview: Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2. CVE-2026-84639 A maliciously constructed mail header could lead to a one byte read past the...

[SECURITY] Fedora 44 Update: dovecot-2.4.5-1.fc44

Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mail in either of maildir or mbox formats. The SQL drivers and authentication plug-ins are in their subpackages...

[SECURITY] Fedora 43 Update: dovecot-2.4.5-1.fc43

Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mail in either of maildir or mbox formats. The SQL drivers and authentication plug-ins are in their subpackages...

[SECURITY] Fedora 45 Update: dovecot-2.4.5-1.fc45

Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mail in either of maildir or mbox formats. The SQL drivers and authentication plug-ins are in their subpackages...

CVE-2026-92240

Mozilla Thunderbird is vulnerable to an out-of-bounds read in its IMAP response parser. A malicious or compromised IMAP server can trigger this by sending an untagged ' ID' * response, which results in an application crash. The affected parsing path is reachable before authentication . Remediatio...

CVE-2026-84641

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

DEBIAN-CVE-2026-84641

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84641

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84641

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js...

CVE-2026-84641 Information disclosure due to malicious IMAP server response

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84641 Information disclosure due to malicious IMAP server response

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84641

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

CVE-2026-84641

A malicious IMAP server can trigger a use-after-free and heap-memory disclosure in Mozilla Thunderbird by sending a crafted ID response. This vulnerability allows heap contents to be persisted to prefs.js . The issue was addressed in Thunderbird 155 , Thunderbird 140.15 , and Thunderbird 153.2 . ...

CVE-2026-84641

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2...

Security Vulnerabilities fixed in Thunderbird 140.15 — Mozilla

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. A maliciously constructed mail header could lead to a one byte read past the end of a buffer. A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID...