Security readout for executives and security teams
CVE-2015-4477 is a memory safety flaw in Mozilla Firefox before 40.0. A malicious webpage could potentially make the browser run attacker-controlled code through MediaStream playback and the Web Audio API. This mainly matters where very old Firefox versions remain in use or bundled in unmanaged systems. Exposure is likely limited to legacy Firefox installations older than 40.0 and downstream OS packages that shipped affected Firefox builds. Modern, automatically updated browsers should not be exposed unless frozen or embedded legacy builds remain. Prioritize remediation if legacy browsers are still present. The business risk is endpoint compromise from browsing activity, but urgency is lower where browser auto-update and modern versions are enforced. Mitigation focus: Upgrade Firefox to 40.0 or later per Mozilla guidance.; Apply relevant Ubuntu, openSUSE, Gentoo, or vendor browser package updates.; Remove or isolate unsupported Firefox builds from production endpoints..
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
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2015-4477 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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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=1179484CVE reference · x_refsource_CONFIRM
- GLSA-201605-06CVE reference · vendor-advisory, x_refsource_GENTOO
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.