8.6

CVE-2017-5448

An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Data is provided by the National Vulnerability Database (NVD)
DebianDebian Linux Version7.0
RedhatEnterprise Linux Version6.0
RedhatEnterprise Linux Version7.0
MozillaFirefox ESR Version < 45.9.0
MozillaFirefox Version >= 52.0 < 52.1.0
MozillaFirefox Version < 53.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 1.38% 0.795
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.6 3.9 4.7
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.