Where
-Infinity
0
Severity
8.8
Use After Free
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: Removing an XSLT parameter during processing could have led to an exploitable use-after-free issue. There were reports of attacks in the wild abusing this flaw.

1 / 5
First published (updated )
Severity
9.6
Use After Free
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw.

1 / 5
First published (updated )
Severity
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks.

This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected. This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

1 / 2
Source: MITRE
First published (updated )
Severity
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> assignments, and <code>setInterval</code> calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

1 / 3
First published (updated )
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash.

1 / 3
First published (updated )
Severity
8.8
Use After Free
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash.

1 / 3
First published (updated )
Severity
7.5
Race Condition
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Last updated 24 July 2024

1 / 3
Source: Ubuntu
First published (updated )
Severity
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Last updated 24 July 2024

1 / 3
Source: Ubuntu
First published (updated )
Severity
8.8
Null Pointer Dereference
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Last updated 24 July 2024

1 / 3
Source: Ubuntu
First published (updated )
Severity
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Last updated 24 July 2024

1 / 3
Source: Ubuntu
First published (updated )
Severity
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Firefox did not properly handle downloads of files ending in .desktop, which can be interpreted to run attacker-controlled commands. This bug only affects Firefox for Linux on certain Distributions. Other operating systems are unaffected, and Mozilla is unable to enumerate all affected Linux Distributions.

1 / 4
First published (updated )
Severity
8.8
Use After Free
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

An attacker could have caused memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector.

1 / 3
First published (updated )
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

If multiple instances of resource exhaustion occurred at the incorrect time, the garbage collector could have caused memory corruption and a potentially exploitable crash.

1 / 3
First published (updated )
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

When recording the screen while in Private Browsing on Firefox for Android the address bar and keyboard were not hidden, potentially leaking sensitive information.

This bug only affects Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

1 / 2
Source: MITRE
First published (updated )
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result.

1 / 3
First published (updated )
Severity
6.5
Weak Encryption
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Last updated 24 July 2024

1 / 3
Source: Ubuntu
First published (updated )
Severity
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Last updated 24 July 2024

1 / 6
Source: Ubuntu
First published (updated )
Severity
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Last updated 24 July 2024

1 / 4
Source: Ubuntu
First published (updated )
Severity
4.4
EPSS
0.04%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

The file scheme of URLs would be hidden, resulting in potential spoofing of a website's address in the location bar

1 / 2
Source: Mozilla
First published (updated )
Severity
6.1
EPSS
0.04%
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Utilizing a 302 redirect, an attacker could have conducted a Universal Cross-Site Scripting (UXSS) on a victim website, if the victim had a link to the attacker's website.

1 / 2
Source: Mozilla
First published (updated )
Severity
8.1
Race Condition, XSS
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition.

1 / 2
Source: Mozilla
First published (updated )
Severity
7

Security Vulnerabilities fixed in Focus for iOS / Klar 151.3.1

First published (updated )
Advisory
MFSA2026-55
Severity
7.5
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Focus for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline, potentially allowing for XSS attacks

1 / 2
Source: Mozilla
First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Dragging JavaScript links to the URL bar in Focus for iOS could be utilized to run malicious scripts, potentially resulting in XSS attacks

1 / 2
Source: Mozilla
First published (updated )
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An attacker within Bluetooth range could have used this to trick the user into using their passkey to log the attacker's computer into the target account.

1 / 3
Source: Mozilla
First published (updated )
Severity
6.1
EPSS
0.02%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Websites directing users to long URLs that caused eliding to occur in the location view could leverage the truncating behavior to potentially trick users into thinking they were on a different webpage

1 / 2
Source: Mozilla
First published (updated )
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press

1 / 2
Source: Mozilla
First published (updated )
Severity
7

Security Vulnerabilities fixed in Focus for iOS 148.2

First published (updated )
Advisory
MFSA2026-18
Severity
4.3
EPSS
0.01%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction.

1 / 2
Source: Mozilla
First published (updated )

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