CVE-2014-1531

CVE-2014-1531 is a use-after-free vulnerability in Mozilla Firefox’s image handling. The flaw occurs in nsGenericHTMLElement::GetWidthHeightForImage during an image-resize operation and can be triggered via an imgLoader object, allowing remote attackers to cause heap memory corruption and potenti...

CVE-2023-37211

CVE-2023-37211 involves memory safety bugs in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some bugs show memory corruption and could potentially be exploited to run arbitrary code. Affected versions are Firefox < 115, Firefox ESR < 102.13, and Thunderbird

CVE-2023-6859

CVE-2023-6859 is a memory-safety vulnerability described as a use-after-free affecting TLS socket creation under memory pressure. Affected products include Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox

CVE-2023-6863

CVE-2023-6863 concerns a potential undefined behavior in ShutdownObserver() due to reliance on a dynamic type without a virtual destructor. Affected products include Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox

CVE-2025-1933

CVE-2025-1933: On 64-bit CPUs, Firefox/Thunderbird JIT compilation of WASM i32 return values may read leftover memory and misclassify the value type. Affects Firefox (including ESR branches) and Thunderbird prior to 136/128.x. Remediation per sources: upgrade to Firefox 136 (and ESR 115.21 / 128....

CVE-2025-1938

CVE-2025-1938 affects Mozilla Firefox and Thunderbird on multiple release lines. The connected documents describe memory safety bugs in Firefox 135/Thunderbird 135 (and ESR 128.7), with some bugs showing memory corruption and the potential to exploit for arbitrary code execution if enough effort ...

CVE-2025-3030

CVE-2025-3030 : Memory safety bugs in Firefox 136/ESR 128.8 and Thunderbird 136/128.8 allow memory corruption; could enable arbitrary code execution if exploited. Affected products include Firefox < 137 and Thunderbird

CVE-2025-4093

CVE-2025-4093 involves a memory safety bug in Firefox ESR 128.9 and Thunderbird 128.9 that showed memory corruption with potential to enable arbitrary code execution. The vulnerability is fixed in Firefox ESR 128.10 and Thunderbird 128.10. The provided connected documents confirm affected product...

CVE-2025-5269

CVE-2025-5269 is a memory-safety bug reported in Firefox ESR 128.10 and Thunderbird 128.10 that shows memory corruption and could potentially be exploited to run arbitrary code. Affected products: Firefox ESR < 128.11 and Thunderbird

CVE-2013-0800

CVE-2013-0800 : An integer signedness error in the pixman_fill_sse2 function (pixman-sse2.c) used by Cairo and shipped with Mozilla Firefox and related products allows a remote attacker to trigger an out-of-bounds write via crafted values (negative box boundary or negative box size). This affects...

CVE-2014-1486

CVE-2014-1486 is a use-after-free in Mozilla Firefox’s imgRequestProxy function (affecting Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24). The vulnerability enables remote code execution via image data with unspecified Content-Type values. Mirac...

CVE-2017-5454

CVE-2017-5454 describes a sandbox escape in Mozilla products where the file picker can be abused via relative paths to read local files. Affected are Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox

CVE-2024-0749

CVE-2024-0749 is confirmed in the connected documents as a phishing dialog issue where an about: dialog could be repurposed to show phishing content with an incorrect origin in the address bar. Affected products are Mozilla Firefox and Thunderbird, with the vulnerability applying to Firefox versi...

CVE-2012-1976

CVE-2012-1976 refers to a Use-after-free in Mozilla Firefox’s nsHTMLSelectElement::SubmitNamesValues. Affected products include Firefox before 15.0, Firefox ESR before 10.0.7 (10.x), Thunderbird before 15.0, Thunderbird ESR before 10.0.7, and SeaMonkey before 2.12. Impact per the description is r...

CVE-2013-0746

CVE-2013-0746 affects Mozilla products including Firefox (before 18.0), Firefox ESR (before 10.0.12 and 17.x before 17.0.2), Thunderbird (before 17.0.2, and ESR 10.x before 10.0.12 and 17.x before 17.0.2), and SeaMonkey (before 2.15). The issue is a quickstubs/jsval return-value handling flaw tha...

CVE-2014-1512

The provided connected documents confirm multiple Firefox-related CVEs (e.g., CVE-2014-1512 among others) affecting Mozilla Firefox before 28.0, ESR 24.x before 24.4, and related Mozilla products. The primary issue is memory-safety/use-after-free vulnerabilities in the browser engine (notably in ...

CVE-2014-1523

CVE-2014-1523 is a heap-based buffer overflow in the read_u32 function of Mozilla Firefox that can be triggered by a crafted JPEG image. Affected software per the description includes Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26, with remot...

CVE-2016-5296

CVE-2016-5296 is a heap-based buffer overflow in Cairo when processing SVG content, caused by compiler optimization. It affects Mozilla Thunderbird and Firefox/Firefox ESR as described in Mozilla advisories, and is also present in IBM Storwize V7000 Unified (Affecting 1.5.0.0–1.5.2.5; fixed in 1....

CVE-2023-25738

Mozilla Firefox on Windows is affected by CVE-2023-25738, due to unvalidated DEVMODEW members in the printer driver path that could lead to out-of-bounds access. The issue affects Firefox versions earlier than 110 (Thunderbird <102.8, Firefox ESR

CVE-2025-4087

Summary: CVE-2025-4087 is a Mozilla Thunderbird/Firefox memory-safety issue in XPath parsing caused by missing null checks during attribute access, leading to undefined behavior and potential out-of-bounds reads. Affected versions: Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, ...

CVE-2014-1497

CVE-2014-1497 affects mozilla::WaveReader::DecodeAudioData in Mozilla Firefox up to 28.0 (and ESR 24.x up to 24.4), Thunderbird up to 24.4, and SeaMonkey up to 2.25. A crafted WAV file can cause information disclosure from process heap memory and can trigger a denial of service via an out-of-boun...

CVE-2014-1530

CVE-2014-1530 affects Mozilla Firefox family components (Firefox before 29.0, ESR 24.x before 24.5, Thunderbird before 24.5, SeaMonkey before 2.26). The issue arises in the docshell loading logic: a crafted site performing history navigation can set a spoofed baseURI, enabling cross-site scriptin...

CVE-2018-5184

CVE-2018-5184 describes a vulnerability in Mozilla Thunderbird (affecting Thunderbird ESR < 52.8 and Thunderbird

CVE-2021-4129

CVE-2021-4129 is a memory-safety issue originally reported in Firefox 94, affecting Firefox < 95, Firefox ESR < 91.4.0, and Thunderbird

CVE-2012-3967

CVE-2012-3967 is a Firefox/WebGL vulnerability on Linux where the WebGL implementation fails to interact correctly with Mesa drivers when a large number of sampler uniforms are used. This can let remote attackers execute arbitrary code or cause a denial of service (stack memory corruption) via a ...

CVE-2012-3972

CVE-2012-3972 affects the XSLT format-number functionality in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12. The vulnerability allows remote attackers to obtain sensitive information via unspecif...

CVE-2013-0783

CVE-2013-0783 refers to multiple unspecified vulnerabilities in the Mozilla Firefox browser engine (Firefox <19.0, ESR 17.x <17.0.3, Thunderbird <17.0.3, SeaMonkey

CVE-2014-1479

CVE-2014-1479 affects Mozilla Firefox (including ESR 24.x line), Thunderbird, and SeaMonkey before versions around 27.0/24.x 24.3/SeaMonkey 2.24. The flaw, in the System Only Wrapper (SOW) implementation, does not prevent certain cloning operations, allowing remote attackers to bypass restriction...

CVE-2016-5291

CVE-2016-5291 is a local-bypass vulnerability where a attacker could load arbitrary local content by abusing local shortcut files, bypassing same-origin policy in Mozilla Firefox and Thunderbird products. Public details in connected docs indicate affected versions include Thunderbird < 45.5, F...

CVE-2017-7778

CVE-2017-7778 relates to multiple vulnerabilities in Graphite2 (upstream 1.3.10). The issues include out-of-bounds reads, buffer overflow reads/writes, and use of uninitialized memory in Graphite2, and are addressed by upgrading to Graphite2 1.3.10. Publicly affected products in the CVE record in...

CVE-2021-40529

The CVE-2021-40529 entry concerns the ElGamal implementation in Botan (through 2.18.1), used by Thunderbird and other products. A cross-configuration attack between two cryptographic libraries can lead to plaintext recovery by exploiting a dangerous combination of the receiver’s key prime and gen...

CVE-2021-43529

Thunderbird is affected by CVE-2021-43529: older builds (prior to 91.3.0) are vulnerable to a heap overflow when processing S/MIME messages, tied to the DER-encoded DSA/RSA-PSS signature handling as described in CVE-2021-43527. The issue arises in the vulnerable code path used during S/MIME proce...

CVE-2012-4214

CVE-2012-4214 is a use-after-free in Mozilla Firefox’s nsTextEditorState::PrepareEditor, affecting Firefox before 17.0 and ESR 10.x before 10.0.11, Thunderbird before 17.0/ESR 10.x before 10.0.11, and SeaMonkey before 2.14. The vulnerability can allow remote attackers to execute arbitrary code or...

CVE-2018-12373

CVE-2018-12373 concerns Mozilla Thunderbird prior to 52.9.1, where decrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. The issue is categorized as an information disclosure vulnerability affecting Thunderbird versions older th...

CVE-2018-5183

CVE-2018-5183 is a memory corruption vulnerability in Mozilla’s Skia library used by Firefox/Thunderbird ESR 52.x. The issue involves invalid reads/writes during graphic operations and was addressed by backporting changes to Skia, with fixed versions shipped as Thunderbird/Firefox ESR 52.8.0 (and...

CVE-2022-3033

CVE-2022-3033 affects Thunderbird when replying to crafted HTML emails containing a meta tag with http-equiv="refresh" and a content URL. This can trigger a network request and, with other HTML elements, allow JavaScript in the message compose context to read/modify the compose window (including ...

CVE-2013-0744

CVE-2013-0744 is a use-after-free in the TableBackgroundPainter::TableBackgroundData::Destroy function of Mozilla Firefox prior to 18.0 (and Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2), Thunderbird prior to 17.0.2/ESR 10.x before 10.0.12/17.x before 17.0.2, and SeaMonkey prior to 2.15...

CVE-2014-1487

CVE-2014-1487 affects Mozilla Firefox (Web workers) and related Mozilla suite components. The issue allows remote attackers to bypass Same Origin Policy and obtain sensitive authentication data via error-message handling in Web workers, affecting Firefox versions before 27.0 (and ESR 24.x before ...

CVE-2014-1524

CVE-2014-1524 is reported in several Nessus entries tied to Mozilla Firefox components. Affected: Mozilla Firefox (before 29.0), Firefox ESR 24.x (before 24.5), Thunderbird (before 24.5), and SeaMonkey (before 2.26). Root cause: nsXBLProtoImpl::InstallImplementation does not reliably verify that ...

CVE-2025-1931

CVE-2025-1931 describes a use-after-free in the content process side of a WebTransport connection, causing a potentially exploitable crash. Affected products/versions from the provided docs: Firefox < 136, Firefox ESR < 115.21 and < 128.8, Thunderbird < 136, and Thunderbird

CVE-2012-4194

The CVE-2012-4194 issue affects Mozilla Firefox and related Mozilla components where the valueOf shadowing of the location object (window.location) enables cross-site scripting via plugin vectors. Affected software and versions (stated in the provided sources) include: Mozilla Firefox before 16.0...

CVE-2017-5470

CVE-2017-5470 involves memory safety bugs reported in Firefox 53 and Firefox ESR 52.1, with memory corruption evidence that could enable arbitrary code execution. The entry covers affected versions Firefox < 54, Firefox ESR < 52.2, and Thunderbird

CVE-2013-0747

Technical details for CVE-2013-0747 are not publicly provided in the supplied documents. Monitor for updates.

CVE-2014-1481

CVE-2014-1481 affects Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24. It enables remote attackers to bypass restrictions on window objects by exploiting inconsistencies in native JavaScript engine getter methods. Impact per sources is...

CVE-2025-1936

CVE-2025-1936 is a Firefox/Thunderbird vulnerability where jar: URLs used to retrieve local ZIP contents could misclassify content due to a null-termination issue in the archive, potentially enabling disguised code in a web extension. Affected: Firefox before 136, Firefox ESR before 128.8, Thunde...

CVE-2016-9066

CVE-2016-9066 is a Mozilla Firefox-related issue. IBM notes it as a buffer/ memory-safety problem in Firefox shipped with IBM SONAS; root cause described as a buffer overflow due to an integer overflow in nsScriptLoadHandler. Affected products include Thunderbird <45.5, Firefox ESR <45.5, a...

CVE-2017-5430

CVE-2017-5430 refers to memory-safety bugs reported in Firefox 52/52 ESR and Thunderbird 52 that could, with enough effort, be exploited to run arbitrary code. Affected products include Firefox (versions < 53), Firefox ESR (< 52.1), and Thunderbird (

CVE-2018-5178

CVE-2018-5178: A buffer overflow during UTF-8 to Unicode string conversion in JavaScript can occur when a vulnerable legacy extension is used. Affected products include Thunderbird ESR and Firefox ESR up to version 52.8 (ESR branches); Thunderbrid/Firefox ESR

CVE-2022-3032

Thunderbird has a vulnerability where receiving an HTML email containing an iframe with a srcdoc attribute does not block remote objects in the nested document; the network is accessed and items like images/videos are loaded and displayed. Affected versions are Thunderbird < 102.2.1 and Thunde...

CVE-2026-2447

CVE-2026-2447 describes a heap buffer overflow in libvpx that affects components used by Firefox and Thunderbird. The Initial Description notes fixes in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2. Connected documents corroborate the sa...