Memory corruption

Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 86, Thunderbi...

CVE-2021-23978

CVE-2021-23978 affects Mozilla products (Firefox and Thunderbird/Firefox ESR). The connected documents confirm memory safety bugs in Firefox 85 and ESR 78.7, with potential memory corruption that could lead to arbitrary code execution. Impact is described for Firefox < 86, Thunderbird < 78....

CVE-2021-23978

Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 86, Thunderbi...

Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. 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...

Security Vulnerabilities fixed in Firefox ESR 78.7 — Mozilla

If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a...