Security readout for executives and security teams
CVE-2017-5404 is a Mozilla memory-safety flaw that could crash Firefox or Thunderbird and may be exploitable. It affects older Firefox, Firefox ESR, and Thunderbird versions before the fixed releases named by Mozilla and Linux vendors. There is no KEV listing in the supplied data, so active exploitation is not established here. Exposure is most likely on endpoints, servers, or managed images still running legacy Mozilla browser or mail-client packages from before the 2017 fixed releases. Modern, supported Firefox and Thunderbird deployments are unlikely to be affected if vendor updates have been applied. Prioritize remediation for any legacy Mozilla installations because this is a client-side memory-safety flaw with public exploit reference data. If the organization only runs supported, updated Mozilla versions, this should be a validation and hygiene item rather than an emergency response. Mitigation focus: Upgrade Firefox to version 52 or later where applicable.; Upgrade Firefox ESR to version 45.8 or later where applicable.; Upgrade Thunderbird to the fixed vendor-supported release for your branch..
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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CVE-2017-5404 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
- 41660CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://www.mozilla.org/security/advisories/mfsa2017-09/CVE reference · x_refsource_CONFIRM
- DSA-3832CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://bugzilla.mozilla.org/show_bug.cgi?id=1340138CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2017-07/CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2017-05/CVE reference · x_refsource_CONFIRM
- GLSA-201705-06CVE reference · vendor-advisory, x_refsource_GENTOO
- DSA-3805CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://www.mozilla.org/security/advisories/mfsa2017-06/CVE reference · x_refsource_CONFIRM
- GLSA-201705-07CVE 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.