Security readout for executives and security teams
CVE-2015-4493 is a memory corruption flaw in Mozilla Firefox's media parsing. A malicious MPEG-4 video could trigger a heap buffer overflow and potentially run code in the browser process. It affects Firefox before 40.0 and Firefox ESR 38.x before 38.2. Exposure is most likely on legacy endpoints, virtual desktops, kiosks, or embedded systems still running Firefox before 40.0 or Firefox ESR 38.x before 38.2, including old distro-packaged builds referenced by vendor advisories. Prioritize remediation where legacy Firefox remains in production. Current, supported browsers are unlikely to be exposed, but any confirmed vulnerable install presents high business risk because the CVE describes remote code execution through media content. Mitigation focus: Upgrade Firefox to 40.0 or later.; Upgrade Firefox ESR to 38.2 or later.; Apply relevant Linux vendor security updates for Firefox packages..
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-2015-4493 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=1186718CVE reference · x_refsource_CONFIRM
- https://hg.mozilla.org/mozilla-central/rev/a674c7019cb5CVE reference · x_refsource_CONFIRM
- GLSA-201605-06CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
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