1623 matches found
Security Vulnerabilities fixed in Firefox for Android 158.0.2 — Mozilla
CVE-2026-113470: Cryptographic issue in the Security Block-lists, Allow-lists, and other State component Reporter Wayne Impact high References Bug 2084311...
Security Vulnerabilities fixed in Firefox ESR 153.5.1 — Mozilla
Mozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which was distributed to clients via RemoteSettings the same day. This update contains the updated OneCRL block list, ensuring clients will block the compromised certificates even if RemoteSettings is...
Security Vulnerabilities fixed in Firefox 158.0.1 — Mozilla
Mozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which was distributed to clients via RemoteSettings the same day. This update contains the updated OneCRL block list, ensuring clients will block the compromised certificates even if RemoteSettings is...
Security Vulnerabilities fixed in Firefox ESR 115.43.1 — Mozilla
Mozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which was distributed to clients via RemoteSettings the same day. This update contains the updated OneCRL block list, ensuring clients will block the compromised certificates even if RemoteSettings is...
Security Vulnerabilities fixed in Thunderbird 153.5.1 — Mozilla
When setting up an account, Thunderbird's Exchange AutoDiscover lookup also queried the domain's AutoDiscover service over plain HTTP. Due to a bug, that unencrypted request included the credentials the user had entered, allowing a network attacker to obtain the user's password. Thunderbird did n...
Security Vulnerabilities fixed in Thunderbird 158.0.1 — Mozilla
When setting up an account, Thunderbird's Exchange AutoDiscover lookup also queried the domain's AutoDiscover service over plain HTTP. Due to a bug, that unencrypted request included the credentials the user had entered, allowing a network attacker to obtain the user's password. Thunderbird did n...
Security Vulnerabilities fixed in Thunderbird 158 — Mozilla
Several buffer-growth sites in libmime performed size arithmetic in 32-bit types without overflow checks. On a sufficiently large message the growth guard could fail open, or the buffer could be reallocated smaller than required, and a subsequent memcpy would then write attacker-controlled data...
Security Vulnerabilities fixed in Thunderbird 153.5 — Mozilla
A malicious, compromised, or MITM-controlled Exchange server can return a single well-formed SOAP response containing an element with enough attributes to keep Thunderbird's main thread CPU-bound for seconds to hours...
Security Vulnerabilities fixed in Firefox ESR 115.43 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-109706: Use-after-free in the Storage: IndexedDB component Reporter Mozilla Impact high...
Security Vulnerabilities fixed in Firefox 158 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-109704: Privilege escalation in the Application Update component Reporter Noel Impact hi...
Security Vulnerabilities fixed in Firefox ESR 153.5 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-109704: Privilege escalation in the Application Update component Reporter Noel Impact hi...
Security Vulnerabilities fixed in Firefox 157.0.1 — Mozilla
CVE-2026-106016: Mitigation bypass in the File Handling component Reporter Abdulrahman Alzahrani Impact moderate References Bug 2067465...
Security Vulnerabilities fixed in Firefox for iOS 157.1 — Mozilla
Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy. Firefox for iOS could autofill saved credentials into a ne...
Security Vulnerabilities fixed in Thunderbird 140.17 — Mozilla
An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size...
Security Vulnerabilities fixed in Thunderbird 153.4 — Mozilla
An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size...
Security Vulnerabilities fixed in Thunderbird 157 — Mozilla
An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size...
Security Vulnerabilities fixed in Firefox ESR 153.4 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-100756: Incorrect boundary conditions in the Audio/Video: Playback component Reporter...
Security Vulnerabilities fixed in Firefox ESR 115.42 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-100756: Incorrect boundary conditions in the Audio/Video: Playback component Reporter...
Security Vulnerabilities fixed in Firefox ESR 140.17 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-100756: Incorrect boundary conditions in the Audio/Video: Playback component Reporter...
Security Vulnerabilities fixed in Firefox 157 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-100756: Incorrect boundary conditions in the Audio/Video: Playback component Reporter...
Security Vulnerabilities fixed in Thunderbird 153.3 — Mozilla
A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. A maliciously constructed IMAP line could cause an out-of-bounds buffer read. A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP respon...
Security Vulnerabilities fixed in Thunderbird 140.16 — Mozilla
A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. A maliciously constructed IMAP line could cause an out-of-bounds buffer read. A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP respon...
Security Vulnerabilities fixed in Firefox ESR 153.3 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-92005: Use-after-free in the Audio/Video: Web Codecs component Reporter...
Security Vulnerabilities fixed in Firefox ESR 115.41 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-92006: Privilege escalation due to incorrect boundary conditions in the Graphics:...
Security Vulnerabilities fixed in Firefox ESR 140.16 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-92005: Use-after-free in the Audio/Video: Web Codecs component Reporter...
Security Vulnerabilities fixed in Firefox 156 — Mozilla
Note : We have changed how we publish advisories. We no longer roll all internally identified memory safety vulnerabilities into a single CVE and are now issuing an advisory for every individual bug. CVE-2026-92005: Use-after-free in the Audio/Video: Web Codecs component Reporter...
Security Vulnerabilities fixed in Thunderbird 156 — Mozilla
A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. A maliciously constructed IMAP line could cause an out-of-bounds buffer read. A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP respon...
Security Vulnerabilities fixed in Firefox for iOS 155.1 — Mozilla
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...
Security Vulnerabilities fixed in Thunderbird 153.2 — Mozilla
Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. A maliciously constructed mail header could lead to a one byte read past the end of a buffer. A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID...
Security Vulnerabilities fixed in Thunderbird 155 — Mozilla
Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. A maliciously constructed mail header could lead to a one byte read past the end of a buffer. A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID...
Security Vulnerabilities fixed in Firefox ESR 153.2 — Mozilla
Internally found bugs present in Firefox 154, Firefox ESR 153.1 and Firefox ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs present in...
Security Vulnerabilities fixed in Firefox ESR 140.15 — Mozilla
Internally found bugs present in Firefox 154, Firefox ESR 153.1 and Firefox ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs present in...
Security Vulnerabilities fixed in Thunderbird 140.15 — Mozilla
Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. A maliciously constructed mail header could lead to a one byte read past the end of a buffer. A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID...
Security Vulnerabilities fixed in Firefox 155 — Mozilla
Internally found bugs present in Firefox 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs present in Firefox 154, Firefox ESR 153.1 and Firefox ESR...
Security Vulnerabilities fixed in Firefox ESR 115.40 — Mozilla
Internally found bugs present in Firefox 154, Firefox ESR 153.1, Firefox ESR 140.14 and Firefox ESR 115.39. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited...
Security Vulnerabilities fixed in Firefox for iOS 155.0 — Mozilla
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...
Security Vulnerabilities fixed in Firefox ESR 153.1 — Mozilla
Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs present in...
Security Vulnerabilities fixed in Thunderbird 154 — Mozilla
Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. Internal...
Security Vulnerabilities fixed in Firefox ESR 140.14 — Mozilla
Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs present in...
Security Vulnerabilities fixed in Firefox 154 — Mozilla
Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs present in...
Security Vulnerabilities fixed in Thunderbird 153.1 — Mozilla
Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs...
Security Vulnerabilities fixed in Firefox ESR 115.39 — Mozilla
Internally found bugs present in Firefox ESR 115.38, Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited...
Security Vulnerabilities fixed in Thunderbird 140.14 — Mozilla
Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. Internally found bugs...
Security Vulnerabilities fixed in Firefox for Android 153.0.3 — Mozilla
CVE-2026-18809: Information disclosure in Firefox for Android and Firefox Focus for Android Reporter The Mozilla Fuzzing Team Impact high References Bug 2055683...
Security Vulnerabilities fixed in Thunderbird 140.13 — 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. We are aware that exploit code for...
Security Vulnerabilities fixed in Firefox ESR 115.38 — Mozilla
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough...
Security Vulnerabilities fixed in Firefox ESR 140.13 — Mozilla
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. Memory safety bugs present in Firefox ESR 140.12 and...
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...
Security Vulnerabilities fixed in Firefox 153 — Mozilla
Memory safety bugs present in Firefox 152. 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. Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed...
Security Vulnerabilities fixed in Firefox 152.0.6 — Mozilla
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw...