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...

EUVD-2026-47773

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 Off-by-one out of bounds read in MIME header parser for forwarding

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...

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...

Mozilla Thunderbird < 140.13

The version of Thunderbird installed on the remote Windows host is prior to 140.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-72 advisory. - Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of...

Mozilla Thunderbird < 153.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-71 advisory. - Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed...

Mozilla Thunderbird < 153.0

The version of Thunderbird installed on the remote Windows host is prior to 153.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-71 advisory. - Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of...

Mozilla Thunderbird < 140.13

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-72 advisory. - Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed...

httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime

A flaw was found in Apache HTTP Server. An out-of-bounds read vulnerability exists when modheaders and modmime are used with multiple response languages. This could allow a remote attacker to disclose sensitive information from memory or cause a denial of service...

openssl: Possible Out of Bounds Read in X509_VERIFY_PARAM_set1_email()

A flaw was found in OpenSSL. When an application uses the X509VERIFYPARAMset1email function to validate a specially crafted S/MIME Secure/Multipurpose Internet Mail Extensions email address, an out-of-bounds read can occur. A remote attacker could exploit this vulnerability by sending a malicious...

Security update for go1.25-openssl

This update for go1.25-openssl fixes the following issues Update to version go1.25.12 bsc1244485. CVE-2026-25679: net/url: reject IPv6 literal not at start of host bsc1259264. CVE-2026-27139: os: FileInfo can escape from a Root bsc1259268. CVE-2026-27142: html/template: URLs in meta content...

Security Vulnerabilities fixed in Thunderbird 153 — Mozilla

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. Memory safety bugs present in...

KLA91170 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1. Denia...

Updated golang packages fix security vulnerabilities

The updated packages fix security vulnerabilities: mime: quadratic complexity in WordDecoder.DecodeHeader. CVE-2026-42504 net/textproto: arbitrary input are included in errors without any escaping. CVE-2026-42507 crypto/x509: split candidate hostname only once. CVE-2026-27145 os: Root escape via...

httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime

A flaw was found in Apache HTTP Server. An out-of-bounds read vulnerability exists when modheaders and modmime are used with multiple response languages. This could allow a remote attacker to disclose sensitive information from memory or cause a denial of service...

Arbitrary File Upload

TYPO3 CMS is vulnerable to Arbitrary File Upload. The vulnerability is due to missing server-side enforcement of configured MIME type restrictions, where uploaded files are not validated against allowed MIME types, allowing attackers to upload files with arbitrary MIME types...

openSUSE 16: cyradm / cyrus-imapd / cyrus-imapd-devel / cyrus-imapd-snmp / etc (openSUSE-SU-2026:21368-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21368-1 advisory. Changes in cyrus-imapd: - Update to 3.8.7 bugfix release - CVE-2026-47081: XAPPLEPUSHSERVICE folder existence oracle and push hijack bsc1271617 ...

Cross-site Scripting (XSS)

plone.app.textfield is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to returning unsanitized RichText content when the stored and output MIME types are identical, which allows an attacker to inject and execute arbitrary JavaScript in a victim's browser...