CVE-2020-26968

Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 83, Firefox E...

CVE-2020-26960

If the Compact method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Design/Logic Flaw

If the Compact method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Memory corruption

Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 83, Firefox E...

CVE-2020-26968

Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 83, Firefox E...

CVE-2020-26968

CVE-2020-26968 is a Mozilla Firefox/Thunderbird memory-safety issue. The provided documents indicate memory-safety bugs in Firefox 82 and ESR 78.4, with potential memory corruption that could allow running arbitrary code. Affected versions: Firefox < 83, Firefox ESR < 78.5, and Thunderbird

CVE-2020-26965

Some websites have a feature "Show Password" where clicking a button will change a password field into a textbook field, revealing the typed password. If, when using a software keyboard that remembers user input, a user typed their password and used that feature, the type of the password field wa...

SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3383-1)

This update for MozillaFirefox fixes the following issues : Firefox Extended Support Release 78.5.0 ESR bsc1178824 - CVE-2020-26951: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code - CVE-2020-16012: Variable time processing of cross-origin images during...

NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0074)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has thunderbird packages installed that are affected by multiple vulnerabilities: - Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after- free. We are aware of targeted attack...

Denial Of Service (DoS)

Thunderbird, Firefox ESR, and Firefox are vulnerable to denial of service attacks. Lack of sanitations in faulty calculations of graphics region, before the call to SwizzleCopy may allow remote attackers to cause a system hang...

EulerOS 2.0 SP9 : nss (EulerOS-SA-2020-2487)

According to the versions of the nss packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability...

Mozilla: Fullscreen could be enabled without displaying the security UI

It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Mozilla: Use-after-free in WebRequestService

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Mozilla: XSS through paste (manual and clipboard API)

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox 83, Firefox ESR 78.5, and Thunderbird 78.5...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code

A parsing and event loading mismatch in Firefox's SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability...

Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5

Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 83, Firefox E...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Mozilla: DoH did not filter IPv4 mapped IP Addresses

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...