| CVE-2025-3030 | Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | high | 2026-04-13 |
| CVE-2025-3029 | A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | high | 2026-04-13 |
| CVE-2025-3028 | JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | medium | 2026-04-13 |
| CVE-2025-2857 | Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised child process could cause the parent process to return an unintentionally powerful handle, leading to a sandbox escape. The original vulnerability was being exploited in the wild. *This only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 136.0.4, Firefox ESR 128.8.1, and Firefox ESR 115.21.1. | critical | 2026-04-13 |
| CVE-2025-2830 | By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /tmp when the message is forwarded or edited as a new message. This vulnerability could allow attackers to disclose sensitive information from the victim's system. This vulnerability is not limited to Linux; similar behavior has been observed on Windows as well. This vulnerability was fixed in Thunderbird 137.0.2 and Thunderbird 128.9.2. | medium | 2026-04-13 |
| CVE-2025-2817 | Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled by a non-privileged user and enabling privilege escalation. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10. | high | 2026-04-13 |
| CVE-2025-27426 | Malicious websites utilizing a server-side redirect to an internal error page could result in a spoofed website URL. This vulnerability was fixed in Firefox for iOS 136. | medium | 2026-04-13 |
| CVE-2025-27425 | Scanning certain QR codes that included text with a website URL could allow the URL to be opened without presenting the user with a confirmation alert first. This vulnerability was fixed in Firefox for iOS 136. | medium | 2026-04-13 |
| CVE-2025-27424 | Websites redirecting to a non-HTTP scheme URL could allow a website address to be spoofed for a malicious page. This vulnerability was fixed in Firefox for iOS 136. | medium | 2026-04-13 |
| CVE-2025-26696 | Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8. | high | 2026-04-13 |
| CVE-2025-26695 | When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8. | medium | 2026-04-13 |
| CVE-2025-23109 | Long hostnames in URLs could be leveraged to obscure the actual host of the website or spoof the website address. This vulnerability was fixed in Firefox for iOS 134. | medium | 2026-04-13 |
| CVE-2025-23108 | Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability was fixed in Firefox for iOS 134. | medium | 2026-04-13 |
| CVE-2025-1943 | Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 was fixed in Firefox 136 and Thunderbird 136. | high | 2026-04-13 |
| CVE-2025-1942 | When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136. | critical | 2026-04-13 |
| CVE-2025-1941 | Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed (distinct from CVE-2025-0245). This vulnerability was fixed in Firefox 136. | critical | 2026-04-13 |
| CVE-2025-1940 | A select option could partially obscure the confirmation prompt shown before launching external apps. This could be used to trick a user in to launching an external app unexpectedly. *This issue only affects Android versions of Firefox.*. This vulnerability was fixed in Firefox 136. | high | 2026-04-13 |
| CVE-2025-1939 | Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability was fixed in Firefox 136. | low | 2026-04-13 |
| CVE-2025-1938 | Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | medium | 2026-04-13 |
| CVE-2025-1937 | Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. 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 was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | high | 2026-04-13 |
| CVE-2025-1936 | jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | high | 2026-04-13 |
| CVE-2025-1935 | A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | medium | 2026-04-13 |
| CVE-2025-1934 | It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | medium | 2026-04-13 |
| CVE-2025-1933 | On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | high | 2026-04-13 |
| CVE-2025-1932 | An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | high | 2026-04-13 |
| CVE-2025-1931 | It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | high | 2026-04-13 |
| CVE-2025-1930 | On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | high | 2026-04-13 |
| CVE-2025-15632 | A vulnerability has been found in 1Panel-dev MaxKB up to 2.4.2. Impacted is an unknown function of the file ui/src/chat.ts of the component MdPreview. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.5.0 is recommended to address this issue. The name of the patch is 7230daa5ec3e6574b6ede83dd48a4fbc0e70b8d8. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. | medium | 2026-04-13 |
| CVE-2025-15618 | Business::OnlinePayment::StoredTransaction versions through 0.01 for Perl uses an insecure secret key. Business::OnlinePayment::StoredTransaction generates a secret key by using a MD5 hash of a single call to the built-in rand function, which is unsuitable for cryptographic use. This key is intended for encrypting credit card transaction data. | critical | 2026-04-13 |
| CVE-2025-15480 | In Ubuntu, ubuntu-desktop-provision version 24.04.4 could leak sensitive user credentials during crash reporting. Upon installation failure, if a user submitted a bug report to Launchpad, ubuntu-desktop-provision could include the user's password hash in the attached logs. | medium | 2026-04-13 |
| CVE-2025-15441 | The Form Maker by 10Web WordPress plugin before 1.15.38 does not properly prepare SQL queries when the "MySQL Mapping" feature is in use, which could make SQL Injection attacks possible in certain contexts. | medium | 2026-04-13 |
| CVE-2025-14861 | Memory safety bugs present in Firefox 146. 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 was fixed in Firefox 146.0.1. | high | 2026-04-13 |
| CVE-2025-14860 | Use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 146.0.1. | critical | 2026-04-13 |
| CVE-2025-14744 | Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability was fixed in Firefox for iOS 144.0. | medium | 2026-04-13 |
| CVE-2025-14551 | In Ubuntu, Subiquity version 24.04.4 could leak sensitive user credentials during crash reporting. Upon installation failure, if a user submitted a bug report to Launchpad, Subiquity could include certain user credentials, such as the user's plaintext Wi-Fi password, in the attached logs. | medium | 2026-04-13 |
| CVE-2025-14545 | The YML for Yandex Market WordPress plugin before 5.0.26 is vulnerable to Remote Code Execution via the feed generation process. | medium | 2026-04-13 |
| CVE-2025-14333 | Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | high | 2026-04-13 |
| CVE-2025-14332 | Memory safety bugs present in Firefox 145 and Thunderbird 145. 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 was fixed in Firefox 146 and Thunderbird 146. | high | 2026-04-13 |
| CVE-2025-14331 | Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | medium | 2026-04-13 |
| CVE-2025-14330 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | critical | 2026-04-13 |
| CVE-2025-14329 | Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | high | 2026-04-13 |
| CVE-2025-14328 | Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | high | 2026-04-13 |
| CVE-2025-14327 | Spoofing issue in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7. | high | 2026-04-13 |
| CVE-2025-14326 | Use-after-free in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 146 and Thunderbird 146. | critical | 2026-04-13 |
| CVE-2025-14325 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | high | 2026-04-13 |
| CVE-2025-14324 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | critical | 2026-04-13 |
| CVE-2025-14323 | Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | high | 2026-04-13 |
| CVE-2025-14322 | Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | high | 2026-04-13 |
| CVE-2025-14321 | Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6. | critical | 2026-04-13 |
| CVE-2025-1414 | Memory safety bugs present in Firefox 135. 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 was fixed in Firefox 135.0.1. | medium | 2026-04-13 |
