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CVE-2017-5470
Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1. Some of these bugs showed evidence of memory corruption and we…
Critical9.8EPSS 2.6%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
Memory safety bugs were reported in Firefox 53 and Firefox ESR 52.1. 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 < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
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)
- 2.6% · top 15% of all CVEs (3 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 54 and Firefox ESR 52.2
- CWE-119 (opens in a new tab)All about CWE-119 and its CVEs
Affected products
- affected unspecified – < 54
- affected unspecified – < 52.2
- affected unspecified – < 52.2
References (10)
- https://www.mozilla.org/security/advisories/mfsa2017-15/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3918 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 1038689 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1359639%2C1349595%2C1352295%2C1352556%2C1342552%2C1342567%2C1346012%2C1366140%2C1368732%2C1297111%2C1362590%2C1357462%2C1363280%2C1349266%2C1352093%2C1348424%2C1347748%2C1356025%2C1325513%2C1367692 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3881 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2017:1440 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1561 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-17/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 99041 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-16/ (opens in a new tab)x_refsource_CONFIRMx_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-2017-5470)Record last updated .