Security readout for executives and security teams
CVE-2016-9905 is a Mozilla client crash issue described as potentially exploitable. It affects Firefox ESR before 45.6 and Thunderbird before 45.6. The main business risk is legacy desktop software processing hostile web or email content. The source bundle does not show active exploitation. Exposure is most likely on endpoints, virtual desktops, or servers retaining old Firefox ESR or Thunderbird builds. Current supported Mozilla releases are not identified as affected in the provided sources. Organizations with long-lived Linux distributions or unmanaged desktop images should check package backports and vendor advisories. Prioritize remediation if legacy Mozilla clients still exist, especially where users handle untrusted email or web content. For modern, fully patched fleets, this is mainly a hygiene and legacy exposure issue rather than an emergency response item. Mitigation focus: Upgrade Firefox ESR and Thunderbird away from versions before 45.6.; Prefer currently supported Mozilla or distribution-packaged releases.; Apply relevant Debian, Gentoo, or Red Hat security updates where applicable..
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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CVE-2016-9905 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://www.mozilla.org/security/advisories/mfsa2016-95/CVE reference · x_refsource_CONFIRM
- GLSA-201701-15CVE reference · vendor-advisory, x_refsource_GENTOO
- DSA-3757CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://bugzilla.mozilla.org/show_bug.cgi?id=1293985CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2016-96/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.