Mozilla: Memory safety bugs fixed in Firefox 103 and 102.1

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of Mozilla developers and the Mozilla Fuzzing Team reporting memory safety bugs in Firefox 102. Some of these bugs showed evidence of memory corruption, and we presume that with enough effort, some of these...

Mozilla: Unavailable PAC file resulted in OCSP requests being blocked

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that if a PAC URL was set and the server that hosts the PAC was not reachable, OCSP requests are blocked, resulting in incorrect error pages being shown...

Mozilla: Memory safety bugs fixed in Firefox 101 and Firefox ESR 91.10

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100 and Firefox ESR 91.9. Some of these bugs showed evidence of memory corruption and we presume th...

Mozilla: Register allocation problem in WASM on arm64

The Mozilla Foundation Security Advisory describes this flaw as: On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash...

Mozilla: Reader mode bypassed SameSite cookies

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of requests initiated through the reader mode did not properly omit cookies with a SameSite attribute...

Mozilla: Reader mode bypassed SameSite cookies

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of requests initiated through the reader mode did not properly omit cookies with a SameSite attribute...

Mozilla: Use-after-free after VR Process destruction

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash...

Mozilla: Extensions could have bypassed permission confirmation during update

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: If a user installed a particular type of extension, the extension could have auto-updated itself, and while doing so may have bypassed the prompt which grants the new version the new requested permission...

Mozilla: Spoofed origin on external protocol launch dialog

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: Malicious websites could have confused Thunderbird into showing the wrong origin when asking to launch a program and handling an external URL protocol...

Mozilla: Leaking cross-origin URLs through securitypolicyviolation event

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations...

Mozilla Releases Security Updates for Firefox, Firefox ESR, and Thunderbird

Mozilla has released security updates to address vulnerabilities in Firefox, Firefox ESR, and Thunderbird. An attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators t...

CVE-2020-12410

Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. 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 Thunderbird 68.9.0,...

Mozilla: Use-after-free in SharedWorkerService

The Mozilla Foundation Security Advisory describes this flaw as: When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash...

Mozilla: Use-after-free in SharedWorkerService

The Mozilla Foundation Security Advisory describes this flaw as: When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash...

Mozilla: Use-after-free in SharedWorkerService

The Mozilla Foundation Security Advisory describes this flaw as: When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash...

Mozilla Releases Security Updates for Firefox, Firefox ESR

Mozilla has released security updates to address vulnerabilities in Firefox and Firefox ESR. An attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review Mozil...

Mozilla: Use-after-free when removing data about origins

The Mozilla Foundation Security Advisory describes this flaw as: When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash...

usrsctp: Out of bounds reads in sctp_load_addresses_from_init()

The Mozilla Foundation Security Advisory describes this flaw as: The inputs to sctploadaddressesfrominit are verified by sctparethereunrecognizedparameters; however, the two functions handled parameter bounds differently, resulting in out of bounds reads when parameters are partially outside a...

Mozilla: Use-after-free in worker destruction

When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird 68.3, Firefox ESR 68.3, and Firefox 71...

nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate

A heap-based buffer overflow was found in the NSCEncryptUpdate function in Mozilla nss. A remote attacker could trigger this flaw via SRTP encrypt or decrypt operations, to execute arbitrary code with the permissions of the user running the application compiled with nss. While the attack complexi...