CVE-2023-5173

In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged…

published September 27, 2023

CVSS
—
EPSS
1%
Percentile
59.7
In the wild
Unconfirmed
What it is

In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory.

*This bug only affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (`network.http.altsvc.oe`) is enabled.* This vulnerability affects Firefox < 118.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00911 · 59.7th percentile
Published
2023-09-27T14:13Z
EPSS history
Timeline
  • 27 SEP 14:13Z
    In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged…
    cvelistv5