Security readout for executives and security teams
Plain-English summary
This issue affects old Firefox for Android installations before version 50. If a malicious Android app was already installed and registered Firefox’s signature-level permissions first, it could access API keys intended only for Firefox. The sources do not show active exploitation or impact beyond exposed API keys.
Executive priority
Treat this as legacy mobile risk. Prioritize only if the organization still has Firefox for Android below version 50 or unmanaged Android devices with untrusted app exposure.
Technical view
A malicious Android app could define signature-level permissions used by Firefox before Firefox is installed, then gain access to API keys protected by those permissions. Scope is Firefox for Android only; desktop Firefox and other operating systems are stated unaffected. No CWE or CVSS is provided.
Likely exposure
Exposure is limited to Android devices running Firefox for Android below version 50, especially where an untrusted app was installed before Firefox. Other Firefox platforms are out of scope per the source description.
Exploitation context
The bundle marks CISA KEV as false and provides no cited evidence of active exploitation. Exploitation depends on local Android app installation order and a malicious app present on the device.
Researcher notes
The public bundle gives limited technical detail and no CVSS. Analysis should stay bounded to permission misuse and API key exposure in Firefox for Android before version 50; do not infer broader Mozilla product impact.
Mitigation direction
- Update Firefox for Android to version 50 or later where possible.
- Remove unsupported Firefox for Android versions from managed Android fleets.
- Review vendor guidance in Mozilla MFSA2016-89 before making policy exceptions.
- Restrict installation of untrusted Android applications on managed devices.
Validation and detection
- Inventory Android devices for Firefox for Android versions below 50.
- Confirm whether affected devices allow unmanaged or sideloaded application installs.
- Check mobile management records for historical Firefox installation timing where available.
- Verify remediation by confirming Firefox for Android is version 50 or later.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2016-9061 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.mozilla.org/show_bug.cgi?id=1245795CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2016-89/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.