Vulnerability index

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Filtering by weakness Integer OverflowCWE-190 × clear
Firefox CRITICAL 9.8
CVE-2026-16408

Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Fix: 153.0.0+
Fix from $2,300 2026-07-21
Firefox CRITICAL 9.8
CVE-2026-16402

Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Fix: 153.0 / 153.0.0+
Fix from $2,300 2026-07-21
Firefox CRITICAL 9.8
CVE-2026-16395

Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Fix: 153.0.0+
Fix from $2,300 2026-07-21
Firefox CRITICAL 9.8
CVE-2026-16389

Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Fix: 153.0 / 153.0.0+
Fix from $2,300 2026-07-21
Firefox CRITICAL 9.8
CVE-2026-16369

Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thun…

Fix: 140.13.0 / 153.0+
Fix from $2,300 2026-07-21
Firefox CRITICAL 9.8
CVE-2026-8956

Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird …

Fix: 140.11 / 140.11.0+
Fix from $2,300 2026-05-19
Firefox HIGH 7.5
CVE-2026-8949

Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 14…

Fix: 140.11 / 140.11.0+
Fix from $1,950 2026-05-19
Firefox HIGH 7.5
CVE-2026-6773

Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Fix: 150.0+
Fix from $1,950 2026-04-21
Firefox MEDIUM 5.3
CVE-2026-6783

Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 1…

Fix: 150.0+
Fix from $1,600 2026-04-21
Firefox HIGH 8.8
CVE-2026-5732

Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1…

Fix: 140.9.1 / 149.0.2+
Fix from $1,950 2026-04-07
Firefox HIGH 7.5
CVE-2026-4694

Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox E…

Fix: 115.34.0 / 140.9.0+
Fix from $1,950 2026-03-24
Firefox CRITICAL 10.0
CVE-2026-4689

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ES…

Fix: 115.34.0 / 140.9.0+
Fix from $2,300 2026-03-24
Firefox HIGH 8.6
CVE-2026-4690

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ES…

Fix: 115.34.0 / 140.9.0+
Fix from $1,950 2026-03-24
Firefox CRITICAL 9.8
CVE-2026-2781

Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox CRITICAL 9.8
CVE-2026-2774

Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, a…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox CRITICAL 9.8
CVE-2026-2762

Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and …

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox HIGH 8.8
CVE-2026-0880

Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7,…

Fix: 115.32.0 / 140.7.0+
Fix from $1,950 2026-01-13
Firefox HIGH 8.6
CVE-2025-11152

Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.

Fix: 143.0.3+
Fix from $1,950 2025-09-30
Firefox HIGH 8.8
CVE-2025-10533

Integer overflow in the SVG component. This vulnerability was fixed in Firefox 143, Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird 143, and Thund…

Fix: 115.28.0 / 140.3+
Fix from $1,950 2025-09-16
Firefox CRITICAL 9.8
CVE-2025-49710

An integer overflow was present in `OrderedHashTable` used by the JavaScript engine. This vulnerability was fixed in Firefox 139.0.4.

Fix: 139.0.4+
Fix from $2,300 2025-06-11
Firefox MEDIUM 5.9
CVE-2024-3859

On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. T…

Fix: 115.10 / 125.0+
Fix from $1,600 2024-04-16
Firefox HIGH 7.5
CVE-2023-5173

In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unp…

Fix: 118+
Fix from $1,950 2023-09-27
Firefox HIGH 8.6
CVE-2023-4576

On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking sensitive…

Fix: 102.15 / 115.2+
Fix from $1,950 2023-09-11
Firefox HIGH 8.8
CVE-2022-34481

In the <code>nsTArray_Impl::ReplaceElementsAt()</code> function, an integer overflow could have occurred when the number of elements to replace was t…

Fix: 91.11 / 102.0+
Fix from $1,950 2022-12-22
Firefox HIGH 8.8
CVE-2021-29946

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the A…

Fix: 78.10 / 88.0+
Fix from $1,950 2021-06-24
Firefox HIGH 8.8
CVE-2018-12371

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. This resul…

Fix: 60.0 / 60.1.0+
Fix from $1,950 2020-07-09
Firefox CRITICAL 9.8
CVE-2018-18498

A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the…

Fix: 60.4 / 64.0+
Fix from $2,300 2019-02-28
Firefox HIGH 7.5
CVE-2018-12393

A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation …

Fix: 60.3 / 63.0+
Fix from $1,950 2019-02-28
Firefox HIGH 8.8
CVE-2018-12361

An integer overflow can occur in the SwizzleData code while calculating buffer sizes. The overflowed value is used for subsequent graphics computatio…

Fix: 60.0 / 60.1+
Fix from $1,950 2018-10-18
Firefox CRITICAL 9.8
CVE-2018-5122

A potential integer overflow in the "DoCrypt" function of WebCrypto was identified. If a means was found of exploiting it, it could result in an out-…

Fix: after 57.0.4
Fix from $2,300 2018-06-11