CVE-2019-17026 vulnerabilities and exploits

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Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited...

Mozilla Firefox Mozilla Firefox Esr Mozilla Thunderbird

If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2...

Mozilla Firefox Esr Mozilla Thunderbird Mozilla Firefox Canonical Ubuntu Linux 16.04

Failure to correctly handle null bytes when processing HTML entities resulted in Firefox incorrectly parsing these entities. This could have led to HTML comment text being treated as HTML which could have led to XSS in a web application under certain conditions. It could have als...

Mozilla Firefox Esr Mozilla Thunderbird Mozilla Firefox Canonical Ubuntu Linux 16.04

Mozilla developers and community members reported memory safety bugs present in Firefox 69 and Firefox ESR 68.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could be exploited to run arbitrary code. This vulnerabili...

Mozilla Firefox Mozilla Firefox Esr Mozilla Thunderbird Canonical Ubuntu Linux 16.04

When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, ...

Mozilla Firefox Esr Mozilla Thunderbird Mozilla Firefox Canonical Ubuntu Linux 16.04

An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an malicious user to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, an...

Mozilla Firefox Esr Mozilla Thunderbird Mozilla Firefox Canonical Ubuntu Linux 16.04

2 Github repositories

A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Mozilla Firefox Esr Mozilla Thunderbird Mozilla Firefox Canonical Ubuntu Linux 16.04

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects ...

Mozilla Firefox Esr Mozilla Thunderbird Mozilla Firefox Canonical Ubuntu Linux 16.04

usrsctp prior to 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.

Usrsctp Project Usrsctp

1 Article

In libexpat prior to 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.

Libexpat Project Libexpat Python Python

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