Ubuntu Security Notice 6862-1 - Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. Lukas Bernhard discovered that Firefox did not properly manage memory during garbage collection. An attacker could potentially exploit this issue to cause a denial of service, or execute arbitrary code.
6e34df5ece453b17083ec3b4016fc12bd53c7e6fdf765084d10f90292d57929cUbuntu Security Notice 6840-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. Luan Herrera discovered that Thunderbird did not properly validate the X-Frame-Options header inside sandboxed iframe. An attacker could potentially exploit this issue to bypass sandbox restrictions to open a new window.
8c5f8036b0b6007bf81dde38b1ef60816133108d47fdc001e23d8936feb9bda9Debian Linux Security Advisory 5711-1 - Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code.
d17594a754beaf5d96a94c366b79d806553846db144bb60489c7c58df38c05efDebian Linux Security Advisory 5709-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, the bypass of sandbox restrictions or an information leak.
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