Mozilla Firefox Mobile vulnerabilities, page 4
87 vulnerabilities
Known vulnerabilities in Mozilla Firefox Mobile, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2026-86853mozillafirefox_mobile
EPSS score0.28%
A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1.CVE-2026-14906mozillafirefox_mobileEPSS score0.29%
Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4.CVE-2026-53899chainguardfirefox+2EPSS score0.14%
Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging to the target site. This vulnerability was fixed in Firefox for iOS 152.0.CVE-2026-53900chainguardfirefox+2EPSS score0.14%
Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0.CVE-2026-92033chainguardfirefox-esr-140+9EPSS score0.35%
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 156.CVE-2026-100823ubuntumozjs102+8EPSS score0.15%
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.CVE-2026-81267mozillafirefox_mobileEPSS score0.26%
A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.CVE-2023-25747mozillafirefox for android+1EPSS score0.61%
A potential use-after-free in libaudio was fixed by disabling the AAudio backend when running on Android API below version 30.
*This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 110.1.0.CVE-2023-29549ubuntufirefox+10EPSS score0.33%
Under certain circumstances, a call to the <code>bind</code> function may have resulted in the incorrect realm. This may have created a vulnerability relating to JavaScript-implemented sandboxes such as SES. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.CVE-2023-29540ubuntufirefox+10EPSS score0.32%
Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-top-navigation-to-custom-protocols</code>. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.CVE-2023-29533debianfirefox-esr+15EPSS score0.57%
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.CVE-2023-29551ubuntufirefox+10EPSS score0.53%
Memory safety bugs present in Firefox 111. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.CVE-2023-29541debianfirefox-esr+15EPSS score0.74%
Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands. <br>*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.*. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.CVE-2023-29537ubuntufirefox+10EPSS score0.56%
Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.CVE-2023-29535debianfirefox-esr+16EPSS score0.75%
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. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.CVE-2023-29538ubuntufirefox+10EPSS score0.40%
Under specific circumstances a WebExtension may have received a <code>jar:file:///</code> URI instead of a <code>moz-extension:///</code> URI during a load request. This leaked directory paths on the user's machine. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.CVE-2023-29536debianfirefox-esr+16EPSS score0.70%
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. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.CVE-2023-29546ubuntumozjs38+8EPSS score0.50%
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.CVE-2023-29548debianfirefox-esr+16EPSS score0.69%
A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.CVE-2023-29534ubuntumozjs38+8EPSS score0.71%
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.