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CVE-2018-18502
Mozilla developers and community members reported memory safety bugs present in Firefox 64. Some of these bugs showed evidence of memory…
Critical9.8EPSS 2.2%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 64. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 65.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.2% · top 18% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Memory safety bugs fixed in Firefox 65
- CWE-119 (opens in a new tab)All about CWE-119 and its CVEs
Affected products
References (3)
- https://www.mozilla.org/security/advisories/mfsa2019-01/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 106773 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-3874-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-18502)Record last updated .