CVE-2020-26960

If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free…

published December 9, 2020

CVSS
—
EPSS
2%
Percentile
75.1
In the wild
Unconfirmed
What it is

If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01563 · 75.1th percentile
Published
2020-12-09T00:23Z
EPSS history
Timeline
  • 09 DEC 00:23Z
    If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free…
    cvelistv5