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CVE-2015-2731
Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0,…
High10.0EPSS 5.7%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 5.7% · top 6.9% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (14)
- openSUSE-SU-2015:1229 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2015:1455 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- GLSA-201512-10 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 75541 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.mozilla.org/security/announce/2015/mfsa2015-63.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1149891 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1032784 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2015:1207 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-2656-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 1032783 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-3300 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-2656-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html (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)
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[](https://trackcve.app/cve/CVE-2015-2731)Record last updated .