Critical severity · published Aug 1, 2023
CVE-2023-4058
Memory safety bugs present in Firefox 115
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
Memory safety bugs present in Firefox 115. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 116.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4058
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4058
Broken Link
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1819160%2C1828024
security.gentoo.org
https://security.gentoo.org/glsa/202401-10
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-29/
More from Firefox
10.0
CVE-2019-11708
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
9.8
CVE-2024-9680
Mozilla Firefox Use-After-Free Vulnerability
9.8
CVE-2010-3765
Mozilla Multiple Products Remote Code Execution Vulnerability
9.6
CVE-2022-26486
Mozilla Firefox Use-After-Free Vulnerability
8.8
CVE-2023-5217
Google Chromium libvpx Heap Buffer Overflow Vulnerability