cve.bz

CVE-2020-12407

6.5 mediumEPSS 1.0%

Medium (6.5) in mozilla firefox. EPSS 1.0% chance of exploitation in the next 30 days.

Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content. This vulnerability affects Firefox < 77.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE
CWE-125
Published
Modified
Record from
the NVD, synced

Affected

References

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