CVEs (3,473)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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A `<dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 1...Show more |
In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the push manager subscription defined one. This could allow empty messages to be sent from unauthorized parties. *This bu...Show more |
2Debian Mozilla3Debian Linux FirefoxFirefox EsrJun 17, 2026 Dec 19, 2023 N/A· v4 6.1 MEDIUM· v3 N/A· v2 The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click...Show more |
TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121. |
2Debian Mozilla3Debian Linux FirefoxFirefox EsrJun 17, 2026 Dec 19, 2023 N/A· v4 6.5 MEDIUM· v3 N/A· v2 `EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability a...Show more |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited...Show more |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and...Show more |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 6.5 MEDIUM· v3 N/A· v2 The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 1...Show more |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 5.3 MEDIUM· v3 N/A· v2 When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is...Show more |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Dec 19, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. Th...Show more |
Multiple NSS NIST curves were susceptible to a side-channel attack known as "Minerva". This attack could potentially allow an attacker to recover the private key. This vulnerability affects Firefox < 121. |
Memory safety bugs present in Firefox 119. 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...Show more |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Nov 21, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited...Show more |
If an attacker needed a user to load an insecure http: page and knew that user had enabled HTTPS-only mode, the attacker could have tricked the user into clicking to grant an HTTPS-only exception if they could get the us...Show more |
When an https: web page created a pop-up from a "javascript:" URL, that pop-up was incorrectly allowed to load blockable content such as iframes from insecure http: URLs This vulnerability affects Firefox < 120. |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Nov 21, 2023 N/A· v4 6.5 MEDIUM· v3 N/A· v2 Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This...Show more |
2Debian Mozilla4Debian Linux FirefoxFirefox Esr+1 moreJun 17, 2026 Nov 21, 2023 N/A· v4 8.8 HIGH· v3 N/A· v2 When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. *This bug only affects Firefox on X11. Other systems are...Show more |