Security readout for executives and security teams
This is an old Mozilla client-side vulnerability where certain bidirectional text layout handling could cause a segmentation fault. The source bundle identifies Firefox before 52 and Thunderbird before 52 as affected, but does not provide CVSS, CWE, or confirmed business impact beyond the crash condition. Exposure is most likely limited to legacy endpoints still running Firefox or Thunderbird versions older than 52. Modern supported Mozilla installations should not be assumed affected based on the supplied version boundary. Prioritize this as a legacy software hygiene issue unless unsupported Firefox or Thunderbird remains in use. The urgent business risk is not proven exploitation, but unmanaged exposure from obsolete browser or mail clients. Mitigation focus: Inventory Firefox and Thunderbird versions across endpoints.; Upgrade Firefox and Thunderbird to supported versions newer than 52.; Review Mozilla MFSA2017-05 and MFSA2017-09 guidance..
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-2017-5413 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=1337504CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2017-09/CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2017-05/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.