CVE-2022-45420

CVE-2022-45420 describes a phishing/spoofing risk where iframe content could be rendered outside the iframe boundaries in Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox

CVE-2022-29915

CVE-2022-29915 affects Mozilla Firefox (pre-100.0). The Performance API failed to hide whether a cross-origin resource observed redirects, enabling information disclosure. Affected: Firefox versions prior to 100.0. The issue is described in multiple advisories; upstream remediation and Arch Linux...

CVE-2021-29967

CVE-2021-29967 is a set of memory-safety bugs in Mozilla’s Firefox stack (affecting Firefox 88/ESR 78.11 path) that Mozilla indicated could be exploited to run arbitrary code. Affected products include Thunderbird < 78.11, Firefox < 89, and Firefox ESR

CVE-2022-28283

Summary (CVE-2022-28283) : The Firefox devtools sourceMapURL feature lacked security checks, potentially allowing a webpage to access local files or otherwise inaccessible resources. Affected: Firefox versions earlier than 99. Impact as described: confidentiality impact (local file access) with n...

CVE-2017-7805

CVE-2017-7805 is a use-after-free vulnerability in the NSS TLS 1.2 implementation where handshake hashes can reference a freed buffer, potentially crashing the application and enabling arbitrary code execution. Public sources consistently tie the issue to NSS and Firefox/Thunderbird components, n...

CVE-2019-11756

CVE-2019-11756 is a Mozilla Firefox/NSS use-after-free vulnerability related to SFTKSession object handling. The connected AWS ALAS-2021-1522 aggregates NSS-related issues (including this CVE) and indicates affected Firefox/NSS components with suggested updates; it lists NSS-related packages (nsp...

CVE-2022-42930

Mozilla Firefox prior to version 106 is affected by a data race in the ThirdPartyUtil component when two Workers initialize CacheStorage concurrently. The vulnerability could lead to memory corruption or a potentially exploitable crash. The fix is included in Firefox 106 (per MFSA2022-44). Mitiga...

CVE-2022-0511

CVE-2022-0511 corresponds to memory-safety bugs in Mozilla Firefox 96 that could have allowed arbitrary code execution via memory corruption. The public records indicate these issues affected Firefox versions prior to 97 and were addressed in Firefox 97+ and related ESR branches. The Mozilla advi...

CVE-2022-42931

CVE-2022-42931 : Firefox stored a username file on disk in unencrypted form instead of using the Password Manager’s encrypted storage. The issue is caused by the Form Manager writing the username (not the password) to disk, exposing sensitive account identifiers. Affects Firefox versions earlier ...

CVE-2022-45408

Summary: CVE-2022-45408 describes a web/browser UI issue where a sequence of popups that reuse the same windowName can force a window into fullscreen mode without showing the notification prompt, enabling user confusion or spoofing. Affected products/versions: Firefox ESR and Firefox, Thunderbird...

CVE-2023-4048

CVE-2023-4048 involves an out-of-bounds read in DOMParser when parsing HTML in low-memory conditions, affecting Firefox < 116, Firefox ESR < 102.14, and Firefox ESR

CVE-2022-28287

Summary: CVE-2022-28287 affects Mozilla Firefox earlier than 99. In unusual circumstances, selecting text could cause text selection caching to misbehave and crash the browser. The associated data from connected sources confirms Firefox as the affected product and Firefox 99 or later as the fix/v...

CVE-2021-23968

CVE-2021-23968 describes a disclosure risk where, if a Content Security Policy blocked frame navigation, the violation report could reveal the destination of a redirect instead of the original frame URI. This could leak sensitive information contained in those URIs. Affected products include Fire...

CVE-2022-22755

CVE-2022-22755 describes a vulnerability in Firefox

CVE-2024-2608

The Firefox browser and Thunderbird email client are affected by an integer overflow vulnerability in the functions AppendEncodedAttributeValue(), ExtraSpaceNeededForAttrEncoding(), and AppendEncodedCharacters(). This flaw can lead to the underallocation of an output buffer , subsequently resulti...

CVE-2020-12387

CVE-2020-12387 is a use-after-free vulnerability caused by a race condition during Web Worker shutdown in Mozilla Firefox/Thunderbird. Affected products include Firefox ESR < 68.8, Firefox < 76, and Thunderbird

CVE-2018-12382

CVE-2018-12382 describes a phishing-like spoofing of the address bar in Firefox for Android by using a javascript: URI to inject text before the loaded domain and scrolling it out of view, potentially confusing users. The issue explicitly affects Firefox for Android versions older than 62. The co...

CVE-2025-1013

A race condition in Mozilla Firefox and Thunderbird could allow private browsing tabs to be opened in normal browsing windows, potentially leading to a privacy leak . The vulnerability affects Firefox versions prior to 135 , Firefox ESR prior to 128.7 , Thunderbird prior to 128.7 , and Thunderbir...

CVE-2018-18506

CVE-2018-18506 is a PAC-related issue where a PAC file can cause localhost requests to be proxied. Connected documents confirm Thunderbird is affected and publicly patched: Thunderbird 60.6.1 fixes were released across AL2 (ALAS2-2019-1195), CentOS/RHEL advisories (RHSA-2019:0680/0681), and Debia...

CVE-2018-5146

CVE-2018-5146 describes an out-of-bounds memory write in Vorbis audio data processing. Affected are Mozilla Firefox (<59.0.1), Firefox ESR (<52.7.2), and Thunderbird (

CVE-2023-28176

CVE-2023-28176 corresponds to memory safety bugs in Firefox 110 and Firefox ESR 102.8, with potential to cause memory corruption and possible arbitrary code execution. Affected products include Firefox <111, Firefox ESR <102.9, and Thunderbird

CVE-2024-29944

The Firefox desktop browser is vulnerable to a flaw where an attacker can inject an event handler into a privileged object . This allows for arbitrary JavaScript execution in the parent process. This vulnerability affects Firefox versions earlier than 124.0.1 and Firefox ESR versions earlier than...

CVE-2020-26974

CVE-2020-26974 is a Firefox/Thunderbird vulnerability where using flex-basis on a table wrapper could cause a StyleGenericFlexBasis object to be cast to the wrong type, leading to a heap use-after-free and memory corruption, potentially crashing the browser. Affected: Firefox <84, Thunderbird ...

CVE-2021-29980

CVE-2021-29980 is a memory safety issue caused by uninitialized memory in a canvas object, potentially enabling memory corruption and a crash. Documents show affected products include Thunderbird and Firefox variants: Thunderbird 78.x/91.x and Firefox ESR 78.x as well as Firefox

CVE-2020-6800

CVE-2020-6800 involves memory safety bugs identified in Firefox 72 and Firefox ESR 68.4, with potential to corrupt memory and enable arbitrary code execution in browser-like contexts. Affected products include Thunderbird and Firefox versions older than 68.5/73 respectively (Thunderbird < 68.5...

CVE-2024-9400

A potential memory corruption vulnerability exists in Firefox and Thunderbird when an attacker can trigger an Out of Memory (OOM) condition during JIT compilation . This issue affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 131, and Thunderbird

CVE-2023-32205

CVE-2023-32205 affects Firefox (versions < 113), Firefox ESR (< 102.11), and Thunderbird (

CVE-2019-9791

CVE-2019-9791 affects Thunderbird and Firefox (including Firefox ESR) and stems from the IonMonkey JIT: type confusion for constructors entered via on-stack replacement. The advisory notes that the vulnerability can enable arbitrary reading/writing of objects during an exploitable crash, with fix...

CVE-2024-4767

The Firefox browser and Thunderbird email client are affected by a vulnerability where IndexedDB files are not properly deleted when a window is closed, provided the browser.privatebrowsing.autostart preference is enabled. This configuration is disabled by default in Firefox. The issue impacts Fi...

CVE-2010-1205

CVE-2010-1205 is a buffer overflow in libpng (pngpread.c) that could allow remote code execution via a crafted PNG image. Affected libpng versions are prior to 1.2.44 and prior to 1.4.3. The overflow is tied to the internal copy in pngpread.c and is described across advisories mentioning memory c...

CVE-2021-38493

CVE-2021-38493 covers memory-safety bugs in Mozilla Firefox 91/ESR 78.13 (and Thunderbird <78.14) that could lead to memory corruption and potentially arbitrary code execution. Affected: Firefox ESR <78.14, Thunderbird <78.14, and Firefox

CVE-2023-3600

CVE-2023-3600 affects Firefox (all channels) < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird

CVE-2023-4047

CVE-2023-4047 is a vulnerability in Firefox popup notifications delay calculation that could allow an attacker to trick a user into granting permissions. The issue affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR

CVE-2023-4057

CVE-2023-4057 affects Firefox (115 and ESR 115.x) and Thunderbird 115.x. The connected sources confirm memory-safety bugs in Firefox/Thunderbird that could allow memory corruption and, with sufficient effort, arbitrary code execution. The documented impact states affected versions are Firefox &lt...

CVE-2023-4046

CVE-2023-4046 corresponds to a bug where an incorrect value used during WASM JIT compilation could cause a stale global variable to influence compilation, yielding an exploitable crash in the content process. The vulnerability affects Firefox plus ESR branches: Firefox < 116, ESR < 102.14, ...

CVE-2024-11699

Mozilla products, including Firefox 132 , Firefox ESR 128.4 , and Thunderbird 128.4 , contain memory safety bugs that can lead to memory corruption . These flaws could potentially be exploited with significant effort to execute arbitrary code . The vulnerabilities affect versions of Firefox earli...

CVE-2024-11704

A double-free issue exists in the sec_pkcs7_decoder_start_decrypt() function when handling an error path. Under specific conditions, the same symmetric key could be freed twice, potentially leading to memory corruption . This vulnerability affects Firefox < 133 , Thunderbird < 133 , Firefox...

CVE-2019-9792

The CVE-2019-9792 issue is an IonMonkey JIT leak in Firefox/Thunderbird where the JS_OPTIMIZED_OUT magic value is leaked during bailout, enabling memory corruption and potentially a crash. Affected: Thunderbird < 60.6, Firefox ESR < 60.6, Firefox

CVE-2024-2610

A markup injection vulnerability in Firefox , Firefox ESR , and Thunderbird allows an attacker to steal nonce values . This can be leveraged to bypass strict content security policies (CSP). The vulnerability affects Firefox < 124 , Firefox ESR < 115.9 , and Thunderbird

CVE-2019-11740

CVE-2019-11740 corresponds to memory-safety bugs in Firefox 68/ESR 68 and Firefox 60.8, with potential for arbitrary code execution. According to the consolidated sources, affected products include Firefox < 69, Thunderbird < 68.1/60.9, and Firefox ESR

CVE-2024-5700

This vulnerability involves memory safety bugs affecting Firefox , Firefox ESR , and Thunderbird . The issues manifest as memory corruption , which could potentially be exploited to execute arbitrary code with sufficient effort. Affected versions include Firefox < 127 , Firefox ESR < 115.12...

CVE-2020-6811

CVE-2020-6811 concerns Mozilla Firefox/Thunderbird where Devtools Network tab’s Copy as cURL did not properly escape the HTTP method. The underlying issue could allow command injection if the generated curl command is pasted into a terminal. Public advisories indicate affected products include Th...

CVE-2023-23598

CVE-2023-23598 describes an Arbitrary file read via GTK drag-and-drop in Firefox/Thunderbird where the GTK wrapper uses text/plain for drag data; GTK treats text/plain MIMEs with file URLs as dragged, enabling DataTransfer.setData to read local files. Affected versions: Firefox < 109, Firefox ...

CVE-2024-2607

This vulnerability affects Firefox < 124 , Firefox ESR < 115.9 , and Thunderbird

CVE-2024-11694

The Google SafeFrame shim within the Web Compatibility extension contains a vulnerability where Enhanced Tracking Protection's Strict mode may inadvertently allow a CSP frame-src bypass and DOM-based XSS . This flaw could expose users to malicious frames masquerading as legitimate content. Affect...

CVE-2025-0242

Mozilla Firefox and Thunderbird are affected by memory safety bugs that can lead to memory corruption . If exploited, these vulnerabilities could allow an attacker to execute arbitrary code . The issue impacts the following versions: Firefox 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird...

CVE-2023-4045

CVE-2023-4045 involves Offscreen Canvas cross-origin taint tracking in Firefox and ESR branches. Affects Firefox < 116 and ESR

CVE-2021-23994

CVE-2021-23994 describes a WebGL-related memory corruption due to a framebuffer not initialized early enough, causing an out-of-bounds write. Affected products are Firefox ESR versions earlier than 78.10, Thunderbird versions earlier than 78.10, and Firefox versions earlier than 88. The root caus...

CVE-2024-7519

CVE-2024-7519 describes memory corruption due to insufficient checks when processing graphics shared memory, enabling sandbox escape. Affected products include Firefox <129, Firefox ESR <115.14, Firefox ESR <128.1, Thunderbird <128.1, and Thunderbird

CVE-2016-9078

CVE-2016-9078 affects Mozilla Firefox prior to the 50.0.2 update. The issue is a redirect from an HTTP connection to a data: URL that can cause the data: URL to inherit the referring site’s origin, enabling potential same-origin policy violations when loading resources from malicious sites. Cross...