Security readout for executives and security teams
CVE-2015-4485 is an old Firefox memory-safety flaw in WebM video handling. A maliciously formed video could make vulnerable Firefox versions run attacker-controlled code. Business risk is mainly from unsupported legacy browsers or old Linux packages still present on workstations, kiosks, or embedded desktop builds. Exposure is most likely in obsolete Firefox installations, Firefox ESR 38.x before 38.2, or downstream Linux/enterprise browser packages from the 2015 advisory window that were never updated. Treat this as a legacy exposure cleanup item unless old Firefox builds are still in production. If they are, prioritize remediation because the impact is browser remote code execution. Mitigation focus: Upgrade Firefox to 40.0 or later, and ESR 38.x to 38.2 or later.; Apply applicable vendor browser updates from Mozilla or the relevant Linux distribution advisory.; Retire unsupported browser builds that cannot receive security updates..
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
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-4485 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
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=1177948CVE 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.