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CVE-2023-4058

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 score

9.8

EPSS probability

%0.8

Risk score

0.1

Published

3 y ago

Vulnerability Timeline (Change History)

CVE-2023-4058 historical changes made to the vulnerability by NVD, CISA and MITRE:

DateActor / SourceAction / DescriptionTypePrevious valueNew value
30.10.2026nvd@nist.govInitial Analysis & CVSS Vector AssignmentCVSS V3.1—CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
08.08.2023CISA CoordinatorSSVC Risk Re-assessmentSSVC / KEVexploitation: noneexploitation: none
08.08.2023MITRE / NVDNew CVE Record Received & IngestedCVE Created—CVE-2023-4058

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2023-4058"
CVE-2023-4058 · Memory safety bugs present in Firefox 115.…