CVE-2023-5173: Integer Overflow
First published: Tue Sep 26 2023(Updated: )
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.
Credit: security@mozilla.org security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <118 | 118 |
| Mozilla Firefox | <118 | |
| debian/firefox | 132.0.2-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1823172
- https://www.mozilla.org/security/advisories/mfsa2023-41/
- https://security.gentoo.org/glsa/202401-10
- https://launchpad.net/bugs/cve/CVE-2023-5173
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-41/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-41/#CVE-2023-5173
- https://security-tracker.debian.org/tracker/CVE-2023-5173
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5173
- https://nvd.nist.gov/vuln/detail/CVE-2023-5173
- https://ubuntu.com/security/CVE-2023-5173
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2023-5173?
The severity of CVE-2023-5173 is medium.
How does CVE-2023-5173 affect Firefox?
CVE-2023-5173 affects Firefox if a non-standard preference allowing integer overflow is enabled.
What is the potential impact of CVE-2023-5173?
CVE-2023-5173 could lead to an out-of-bounds write to privileged process memory.
How can I fix CVE-2023-5173?
To fix CVE-2023-5173, update Firefox to version 118 or later.
Is there more information available about CVE-2023-5173?
Yes, you can find more information about CVE-2023-5173 in the references provided: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1823172) and [Mozilla security advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2023-41/).
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