CVE-2026-20355

CVE-2026-20355 affects the S/MIME decryption functionality of Cisco Secure Email . The root cause is insufficient validation of message integrity , allowing an unauthenticated, remote attacker to use a machine-in-the-middle technique to intercept and modify traffic between email gateways and reco...

EUVD-2026-70210

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20354 Cisco Secure Email S/MIME Ciphertext Decryption Vulnerabilty

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20354

CVE-2026-20354 affects the S/MIME decryption functionality of Cisco Secure Email . The root cause is insufficient validation of message integrity , allowing an unauthenticated remote attacker to use a man-in-the-middle technique to intercept and modify traffic between email gateways. A successful...

Cisco Secure Email Secure/Multipurpose Internet Mail Extensions Ciphertext Decryption Vulnerabilities

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

EUVD-2026-68891

Sulu: Stored XSS via media download inline-disposition override...

elFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload (RCE)

Summary elFinder provides uploadDeny and uploadAllow options in its connector configuration to restrict which MIME types may be uploaded. When uploadDeny includes text/x-php, direct upload of .php, .phtml, and .phar files is correctly blocked. However, the extract command ZIP decompression...

EUVD-2026-68800

elFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload RCE...

GHSA-GXMJ-R5RF-GGWQ elFinder: ZIP extraction bypasses uploadDeny MIME filter allowing PHP file upload (RCE)

Summary elFinder provides uploadDeny and uploadAllow options in its connector configuration to restrict which MIME types may be uploaded. When uploadDeny includes text/x-php, direct upload of .php, .phtml, and .phar files is correctly blocked. However, the extract command ZIP decompression...

mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header

A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...

Important: Red Hat Security Advisory: golang-github-openprinting-ipp-usb security update

An update for golang-github-openprinting-ipp-usb is now available for Red Hat Enterprise Linux 10. 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 f...

SUSE CVE-2026-84639

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...

EUVD-2026-69708

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...

PT-2026-84863

Name of the Vulnerable Software and Affected Versions UnoPim versions prior to 2.1.5 Description Authenticated administrators can upload arbitrary PHP files through the TinyMCE image upload endpoint because the system fails to validate file extensions and MIME types. This allows an attacker to...

Linux Distros Unpatched Vulnerability : CVE-2026-84639

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird...

CVE-2026-84639

Triggering an error condition in certain MIME bodies would cause unini...

PT-2026-84815

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

UBUNTU-CVE-2026-84639

Triggering an error condition in certain MIME bodies would cause unini...

PT-2026-84814

Name of the Vulnerable Software and Affected Versions Cisco Secure Email affected versions not specified Description Insufficient validation of message integrity in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality allows an unauthenticated remote attacker to recove...

DEBIAN-CVE-2026-84639

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...