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CVE-2017-5392
Weak proxy objects have weak references on multiple threads when they should only have them on one, resulting in incorrect memory usage…
Critical9.8EPSS 1.7%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
Weak proxy objects have weak references on multiple threads when they should only have them on one, resulting in incorrect memory usage and corruption, which leads to potentially exploitable crashes. Note: This issue only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 51.
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)
- 1.7% · top 22% 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
- Weak references using multiple threads on weak proxy objects lead to unsafe memory usage
- CWE-119 (opens in a new tab)All about CWE-119 and its CVEs
Affected products
References (4)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1293709 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1037693 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-01/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 95763 (opens in a new tab)vdb-entryx_refsource_BIDx_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-2017-5392)Record last updated .