Security readout for executives and security teams
CVE-2016-5290 covers Mozilla memory safety defects in older Firefox, Firefox ESR, and Thunderbird releases. Mozilla reported memory corruption and presumed some bugs could be exploited to run arbitrary code. Business risk is mainly legacy endpoint exposure: current, supported installations should not be affected by the versions listed. Exposure is likely limited to obsolete Mozilla clients on unmanaged endpoints, old Linux images, kiosks, VDI templates, or archived server desktops. Organizations without legacy Firefox ESR, Firefox, or Thunderbird versions have low practical exposure. Prioritize as high only if legacy Mozilla clients remain in the environment. For modern fleets, this is mainly a hygiene and asset-discovery issue, but any confirmed affected version should be remediated quickly. Mitigation focus: Upgrade Firefox to version 50 or later where still present.; Upgrade Firefox ESR to version 45.5 or later where still present.; Upgrade Thunderbird to version 45.5 or later where still present..
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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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-2016-5290 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
- DSA-3730CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1309720%2C1297062%2C1303710%2C1018486%2C1292590%2C1301343%2C1301496%2C1308048%2C1308346%2C1299519%2C1286911%2C1298169CVE reference · x_refsource_CONFIRM
- GLSA-201701-15CVE reference · vendor-advisory, x_refsource_GENTOO
- https://www.mozilla.org/security/advisories/mfsa2016-93/CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2016-89/CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2016-90/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.
