Security readout for executives and security teams
CVE-2017-5380 is a Mozilla memory-safety issue found by fuzzing SVG DOM manipulation. It affected older Firefox, Firefox ESR, and Thunderbird releases. The sources do not provide CVSS or confirmed exploitation, but browser and mail-client memory bugs can carry meaningful endpoint risk. Exposure is most likely on endpoints still running Firefox before 51, Firefox ESR before 45.7, or Thunderbird before 45.7, including legacy Linux distribution packages referenced by Debian, Gentoo, and Red Hat advisories. Prioritize remediation for managed endpoints with outdated Mozilla browsers or Thunderbird. Treat this as important legacy exposure cleanup, especially where users open untrusted web or email content. Mitigation focus: Upgrade Firefox to version 51 or later.; Upgrade Firefox ESR to version 45.7 or later.; Upgrade Thunderbird to version 45.7 or later..
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-2017-5380 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/mfsa2017-03/CVE reference · x_refsource_CONFIRM
- https://www.mozilla.org/security/advisories/mfsa2017-02/CVE reference · x_refsource_CONFIRM
- GLSA-201702-22CVE reference · vendor-advisory, x_refsource_GENTOO
- DSA-3832CVE reference · vendor-advisory, x_refsource_DEBIAN
- GLSA-201702-13CVE reference · vendor-advisory, x_refsource_GENTOO
- DSA-3771CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://www.mozilla.org/security/advisories/mfsa2017-01/CVE reference · x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1322107CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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