Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox 111 and Firefox ESR 102.9. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Firefox 112, Focus for Android 112,...

Astra Linux – Vulnerability in Firefox and Thunderbird

Firefox did not properly handle downloads of files ending with .desktop, which can be interpreted to execute commands controlled by the attacker. This bug only affects Firefox for Linux on certain distributions. Other operating systems are unaffected, and Mozilla is unable to list all affected...

Astra Linux – Vulnerability in Thunderbird, Firefox

Navigation was allowed when dragging a URL from a cross-origin iframe into the same tab, which could lead to website spoofing attacks. This vulnerability affects Firefox 109, Firefox ESR 102.7, and Thunderbird 102.7...

Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele Svelto, Tyson Smith, Simon Giesecke, and Steve Fink reported memory safety bugs present in Firefox 95 and Firefox ESR 91.4. Some of these bugs showed evidence of memory corruption, and we assume that with...

Astra Linux – Vulnerability in Thunderbird

The encrypted subject of an email message may be incorrectly and permanently assigned to another arbitrary email message in Thunderbird’s local cache. As a result, when replying to the contaminated email message, the user may accidentally expose the confidential subject to a third party. While th...

Astra Linux – Vulnerability in Firefox and Thunderbird

If a website sets a large custom cursor, portions of the cursor may overlap with the permission dialog, potentially causing confusion for users and leading to unexpected granting of permissions. This vulnerability affects Firefox 123, Firefox ESR 115.8, and Thunderbird 115.8...

Astra Linux – Vulnerability in Thunderbird

The OCSP revocation status of recipient certificates was not checked when sending S/MIME encrypted emails. As a result, revoked certificates were accepted. This bug affected Thunderbird versions from 68 to 102.9.1. This vulnerability affects Thunderbird versions earlier than 102.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

In the nsTArrayImpl::ReplaceElementsAt function, an integer overflow could occur when the number of elements to be replaced is too large for the container. This vulnerability affects Firefox 102, Firefox ESR 91.11, Thunderbird 102, and Thunderbird 91.11...

Astra Linux – Vulnerability in Thunderbird

Unexpected data returned from the Safe Browsing API could lead to memory corruption and potentially exploitable crashes. This vulnerability affects Thunderbird 102.10 and Firefox ESR 102.10...

Astra Linux – Vulnerability in Firefox and Thunderbird

Session history navigations may have led to a use-after-free condition, potentially causing exploitable crashes. This vulnerability affects Firefox 102, Firefox ESR 91.11, Thunderbird 102, and Thunderbird 91.11...

Astra Linux – Vulnerability in Firefox and Thunderbird

An attacker could have sent a message to the parent process, with the contents being used to index into a JavaScript object twice. This would lead to prototype pollution, and ultimately, attacker-controlled JavaScript would execute in the privileged parent process. This vulnerability affects...

Astra Linux – Vulnerability in Firefox and Thunderbird

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution within the PDF.js context. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11...

Astra Linux – Vulnerability in Thunderbird

Thunderbird allows the use of the Text DirectionOverride Unicode Character in filenames. As a result, an email attachment might be incorrectly displayed as a document file, when in fact it is an executable file. Older versions of Thunderbird will remove this character and display the correct file...

Astra Linux – Vulnerability in Thunderbird

It may be possible for an attacker to create an email message that causes Thunderbird to perform an out-of-bounds write operation, writing one byte when processing the message. This vulnerability affects Thunderbird versions prior to 91.6.1...

Astra Linux – Vulnerability in Thunderbird

When importing a revoked key with “key compromise” as the revocation reason, Thunderbird did not update the existing copy of the key that was not yet revoked. As a result, the existing key remained unrevoked. Revocation statements that used another revocation reason, or those that did not specify...

Astra Linux – Vulnerability in Thunderbird

When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is displayed when the mouse hovers over any attachment. Although the correct link is used upon clicking, the misleading hover text may lead users to download conten...

Astra Linux – Vulnerability in Firefox and Thunderbird

Race conditions in reference counting code were identified through code analysis. These conditions could lead to exploitable use-after-free vulnerabilities. This vulnerability affects Firefox 116, Firefox ESR 102.14, and Firefox ESR 115.1...

Astra Linux – Vulnerability in Thunderbird

Thunderbird unprotects a secret OpenPGP key before using it for decryption, signing, or key import tasks. If the task fails, the secret key may remain in memory in an unprotected state. This vulnerability affects Thunderbird versions earlier than 78.8.1...

Astra Linux – Vulnerability in Thunderbird

To protect ICU from exploitation, the behavior for out-of-memory conditions has been changed to a crash instead of attempting to continue. This vulnerability affects Firefox ESR 115.9 and Thunderbird 115.9...

Astra Linux – Vulnerability in Firefox and Thunderbird

An improper implementation of the new iframe sandbox keyword allow-top-navigation-by-user-activation could allow script execution when the allow-scripts flag is not set. This vulnerability affects Thunderbird version 91.9, Firefox ESR version 91.9, and Firefox version 100...