CVE-2017-5406: Mozilla Firefox vulnerability

CVE-2017-5406: A segmentation fault can occur in the Skia graphics library during some canvas operations due to issues wit...

A segmentation fault can occur in the Skia graphics library during some canvas operations due to issues with mask/clip intersection and empty masks. This vulnerability affects Firefox < 52 and Thunderbird < 52.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 14:55 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-5406 is a Mozilla graphics crash issue in the Skia library used during some canvas operations. The provided sources state it affects Firefox before 52 and Thunderbird before 52. No active exploitation evidence is provided, and the public data does not include CVSS scoring. Exposure is most likely limited to legacy Firefox or Thunderbird installations older than version 52, including unmanaged endpoints, archived systems, or old virtual desktop images. Treat this as a legacy exposure cleanup item unless affected versions are still in use. Business urgency rises if old Mozilla clients remain on internet-facing or email-handling endpoints. Mitigation focus: Inventory Firefox and Thunderbird versions across endpoints.; Upgrade or replace installations older than version 52.; Remove unsupported legacy browser and mail client builds..

Prepared: Jun 7, 2026, 06:44 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 11, 2018, 21:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

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=1306890CVE 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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

MozillaFirefoxunspecifiedListed

MozillaThunderbirdunspecifiedListed

Weakness

CWE details

No CWE listed

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