CVE-2023-5171

During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a…

published September 27, 2023

CVSS
—
EPSS
1%
Percentile
65.8
In the wild
Unconfirmed
What it is

During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01116 · 65.8th percentile
Published
2023-09-27T14:13Z
EPSS history
Timeline
  • 27 SEP 14:13Z
    During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a…
    cvelistv5