Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...

RHEL 8 : thunderbird (RHSA-2025:10163)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10163 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustio...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links CVE-2025-5986 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

ALSA-2025:10246 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links CVE-2025-5986 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

RHEL 10 : thunderbird (RHSA-2025:10195)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10195 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space...

RHEL 9 : thunderbird (RHSA-2025:10159)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10159 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustio...

thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...

thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...

thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...

thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...

thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...

RHEL 9 : thunderbird (RHSA-2025:10161)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10161 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustio...

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird 128.11.1 CVE-2025-5986: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links MFSA 2025-49 bsc1244468. Patch Instructions: To install this SUSE update use the SUSE recommend...

Updated thunderbird packages fix security vulnerabilities

CVE-2025-5262: A double-free could have occurred in vpxcodecencinitmulti after a failed allocation when initializing the encoder for WebRTC. This could have caused memory corruption and a potentially exploitable crash. CVE-2025-5263: Error handling for script execution was incorrectly isolated fr...

MGASA-2025-0197 Updated thunderbird packages fix security vulnerabilities

CVE-2025-5262: A double-free could have occurred in vpxcodecencinitmulti after a failed allocation when initializing the encoder for WebRTC. This could have caused memory corruption and a potentially exploitable crash. CVE-2025-5263: Error handling for script execution was incorrectly isolated fr...

CVE-2025-5986

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is...

CVE-2025-5986

A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is disabled. This behavior can be abused to fill the disk with garbage data e.g. using /dev/urandom on Linux or to...

CVE-2025-5986 Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links

A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is disabled. This behavior can be abused to fill the disk with garbage data e.g. using /dev/urandom on Linux or to...

CVE-2025-5986

CVE-2025-5986 affects Thunderbird. A crafted HTML email that uses mailbox:/// links can trigger automatic, unsolicited downloads of PDF files to the user’s desktop or home directory without prompting, even if auto-saving is disabled. This can lead to disk-space exhaustion and potential credential...