THREATIST.IORead the docs 23 records
As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation.
A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop.
Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process.
Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7.
Mozilla developers and community members reported memory safety bugs present in Firefox 67.
When an inner window is reused, it does not consider the use of document.domain for cross-origin protections.
POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass CORS requirements.
A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash.
Necko can access a child on the wrong thread during UDP connections, resulting in a potentially exploitable crash in some instances.
Due to an error while parsing page content, it is possible for properly sanitized user input to be misinterpreted and lead to XSS hazards on web sites in certain circumstances.
Until explicitly accessed by script, window.globalThis is not enumerable and, as a result, is not visible to code such as Object.getOwnPropertyNames(window).
A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes.
Activity Stream can display content from sent from the Snippet Service website.
When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library.
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors.
The unicode latin 'kra' character can be used to spoof a standard 'k' character in the addressbar.
A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context.
Application permissions give additional remote troubleshooting permission to the site input.mozilla.org, which has been retired and now redirects to another site.
When a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources from the same site loaded through websockets are not blocked, leading to…
A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3.
The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded.
Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used.
A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or sub-directories if the names are known or guessed.