CVE-2020-6821

3Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackepss 1.5%

probabilidad de explotación

1.5%top 27% de las CVE

explotación observada

noninguna fuente lo reporta

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Productos afectados

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1625404 https://usn.ubuntu.com/4335-1/https://www.mozilla.org/security/advisories/mfsa2020-12/https://www.mozilla.org/security/advisories/mfsa2020-13/https://www.mozilla.org/security/advisories/mfsa2020-14/