7.5
CVSSv3

CVE-2023-5173

Published: 27/09/2023 Updated: 07/01/2024
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

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.

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mozilla firefox

Vendor Advisories

Mozilla Foundation Security Advisory 2023-41 Security Vulnerabilities fixed in Firefox 118 Announced September 26, 2023 Impact high Products Firefox Fixed in Firefox 118 ...