Back
CVE-2016-5287
A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier…
Critical9.8EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier than Firefox 49. This vulnerability affects Firefox < 49.0.2.
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)
- 2.3% · top 16% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Crash in nsTArray_base<T>::SwapArrayElements
- CWE-416 (opens in a new tab)
Affected products
Mozilla · Firefox
- affected unspecified – < 49.0.2
References (4)
- https://www.mozilla.org/security/advisories/mfsa2016-87/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 93811 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1037077 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1309823 (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)
Record last updated .