UBUNTU-CVE-2026-14899

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

Linux Distros Unpatched Vulnerability : CVE-2026-14899

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single...

SUSE CVE-2026-14899

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

CVE-2026-14899

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

CVE-2026-14899

The CVE-2026-14899 issue is a memory-safe vulnerability in Thunderbird’s MIME header parser when forwarding messages with headers visible. An off-by-one error could allow reading a byte beyond the header buffer, potentially causing a crash. Affected component: Thunderbird MIME header parsing duri...

PT-2026-63484

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 153 Thunderbird versions prior to 140.13 Description An off-by-one error exists in the code used to parse MIME headers Multipurpose Internet Mail Extensions for display when forwarding a message, specifically when...

DEBIAN-CVE-2026-57962

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

Astra Linux – Vulnerability in Firefox and Thunderbird

A website configured to initiate a specially crafted WebTransport session could cause the Firefox process to crash, resulting in a denial-of-service condition. This vulnerability affects Firefox 131, Firefox ESR 128.3, Thunderbird 128.3, and Thunderbird 131...

SUSE CVE-2026-4371

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

CVE-2026-4371

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

UBUNTU-CVE-2026-4371

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

CVE-2026-4371

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

CVE-2026-4371 Out of bounds read in IMAP parsing

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

CVE-2026-4371 Out of bounds read in IMAP parsing

A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking...

CVE-2026-4371

CVE-2026-4371 concerns Thunderbird's IMAP parsing. A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer and potentially crash Thunderbird or leak data. Affected are Thunderbird versions prior to 149 and prior to 140.9. Th...

EUVD-2021-10881

Malware in sbrugna...

EUVD-2017-16732

Malware in sbrugna...

EUVD-2025-7436

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2024-0746

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A Linux user opening the print preview dialog could have caused the browser to crash. This vulnerability affects Firefox 122, Firefox ESR 115.7, and Thunderbird...

DEBIAN-CVE-2025-6424

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12...