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firefox

Vendor: Mozilla • 3,184 CVEs

CVEs (3,184)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Mozilla
Oracle
2Firefox
Linux
May 6, 2026
Aug 5, 2016
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
Stack-based buffer underflow in the mozilla::gfx::BasePoint4d function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via crafted two-dimensional graphic...Show more
Stack-based buffer underflow in the mozilla::gfx::BasePoint4d function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via crafted two-dimensional graphics data that is mishandled during clipping-region calculations.Show less
1Mozilla
1Firefox
May 6, 2026
Aug 5, 2016
N/A· v4
4.3 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 48.0 allows remote attackers to spoof the location bar via crafted characters in the media type of a data: URL.
1Mozilla
1Firefox
May 6, 2026
Aug 5, 2016
N/A· v4
4.3 MEDIUM· v3
5.0 MEDIUM· v2
Mozilla Firefox before 48.0, Firefox ESR < 45.4 and Thunderbird < 45.4 allow remote attackers to obtain sensitive information about the previously retrieved page via Resource Timing API calls.
1Mozilla
1Firefox
May 6, 2026
Aug 5, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 on Linux make cairo _cairo_surface_get_extents calls that do not properly interact with libav header allocation in FFmpeg 0.10, which allows remote attackers t...Show more
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 on Linux make cairo _cairo_surface_get_extents calls that do not properly interact with libav header allocation in FFmpeg 0.10, which allows remote attackers to cause a denial of service (application crash) via a crafted video.Show less
1Mozilla
1Firefox
May 6, 2026
Aug 5, 2016
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
Heap-based buffer overflow in the nsBidi::BracketData::AddOpening function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via directional content in an S...Show more
Heap-based buffer overflow in the nsBidi::BracketData::AddOpening function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via directional content in an SVG document.Show less
2Mozilla
Oracle
2Firefox
Linux
May 6, 2026
Aug 5, 2016
N/A· v4
6.3 MEDIUM· v3
6.8 MEDIUM· v2
Heap-based buffer overflow in the ClearKey Content Decryption Module (CDM) in the Encrypted Media Extensions (EME) API in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 might allow remote attackers to execu...Show more
Heap-based buffer overflow in the ClearKey Content Decryption Module (CDM) in the Encrypted Media Extensions (EME) API in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 might allow remote attackers to execute arbitrary code by providing a malformed video and leveraging a Gecko Media Plugin (GMP) sandbox bypass.Show less
1Mozilla
1Firefox
May 6, 2026
Aug 5, 2016
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allow remote attackers to cause a denial of service (memory corruption and application crash) or...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to Http2Session::Shutdown and SpdySession31::Shutdown, and other vectors.Show less
1Mozilla
1Firefox
May 6, 2026
Aug 5, 2016
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 48.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code v...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 48.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
1Firefox
May 6, 2026
Aug 5, 2016
N/A· v4
4.3 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers...Show more
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers to track users by observing network traffic from multiple IP addresses.Show less
4Canonical
MozillaNovell+1 more
8Firefox
LeapNetwork Security Services+5 more
May 6, 2026
Jun 13, 2016
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
Mozilla Network Security Services (NSS) before 3.23, as used in Mozilla Firefox before 47.0, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified oth...Show more
Mozilla Network Security Services (NSS) before 3.23, as used in Mozilla Firefox before 47.0, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors.Show less
3Canonical
MozillaOpensuse
4Firefox
LeapOpensuse+1 more
May 6, 2026
Jun 13, 2016
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 47.0 ignores Content Security Policy (CSP) directives for cross-domain Java applets, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted applet.
3Canonical
MozillaOpensuse
4Firefox
LeapOpensuse+1 more
May 6, 2026
Jun 13, 2016
N/A· v4
4.3 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 47.0 allows remote attackers to discover the list of disabled plugins via a fingerprinting attack involving Cascading Style Sheets (CSS) pseudo-classes.
4Canonical
DebianMozilla+1 more
5Debian Linux
FirefoxLeap+2 more
May 6, 2026
Jun 13, 2016
N/A· v4
8.8 HIGH· v3
5.8 MEDIUM· v2
Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 do not ensure that the user approves the fullscreen and pointerlock settings, which allows remote attackers to cause a denial of service (UI outage), or conduc...Show more
Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 do not ensure that the user approves the fullscreen and pointerlock settings, which allows remote attackers to cause a denial of service (UI outage), or conduct clickjacking or spoofing attacks, via a crafted web site.Show less
3Canonical
MozillaOpensuse
4Firefox
LeapOpensuse+1 more
May 6, 2026
Jun 13, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 47.0 allows remote attackers to spoof permission notifications via a crafted web site that rapidly triggers permission requests, as demonstrated by the microphone permission or the geolocation perm...Show more
Mozilla Firefox before 47.0 allows remote attackers to spoof permission notifications via a crafted web site that rapidly triggers permission requests, as demonstrated by the microphone permission or the geolocation permission.Show less
4Canonical
DebianMozilla+1 more
5Debian Linux
FirefoxLeap+2 more
May 6, 2026
Jun 13, 2016
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
Use-after-free vulnerability in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via WebGL content that triggers texture access after destruction of the textu...Show more
Use-after-free vulnerability in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via WebGL content that triggers texture access after destruction of the texture's recycle pool.Show less
1Mozilla
1Firefox
May 6, 2026
Jun 13, 2016
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
The maintenance service in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows does not prevent MAR extracted-file modification during updater execution, which might allow local users to gain privileg...Show more
The maintenance service in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows does not prevent MAR extracted-file modification during updater execution, which might allow local users to gain privileges via a Trojan horse file.Show less
3Canonical
MozillaOpensuse
4Firefox
LeapOpensuse+1 more
May 6, 2026
Jun 13, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 47.0 allows remote attackers to bypass the Same Origin Policy and modify the location.host property via an invalid data: URL.
2Mozilla
Opensuse
3Firefox
LeapOpensuse
May 6, 2026
Jun 13, 2016
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
The TSymbolTableLevel class in ANGLE, as used in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows, allows remote attackers to cause a denial of service (out-of-bounds write and application crash) o...Show more
The TSymbolTableLevel class in ANGLE, as used in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows, allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact by triggering use of a WebGL shader that writes to an array.Show less
4Canonical
DebianMozilla+1 more
5Debian Linux
FirefoxLeap+2 more
May 6, 2026
Jun 13, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allow remote attackers to spoof the address bar via a SELECT element with a persistent menu.
4Canonical
DebianMozilla+1 more
5Debian Linux
FirefoxLeap+2 more
May 6, 2026
Jun 13, 2016
N/A· v4
7.5 HIGH· v3
6.8 MEDIUM· v2
Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or...Show more
Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.Show less