LiveActive security incident?Get immediate response
CVE Record

CVE-2017-5379: Use-after-free vulnerability in Web Animations when interacting with cycle collection found through fuzzing.

Use-after-free vulnerability in Web Animations when interacting with cycle collection found through fuzzing. This vulnerability affects Firefox < 51.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2017-5379 is a Mozilla Firefox browser memory-safety flaw. The provided record says Firefox versions before 51 are affected. The issue was found by fuzzing, and the sources do not show active exploitation or a CVSS score. Exposure is limited to Mozilla Firefox before version 51. Most current managed endpoints should be unaffected, but legacy workstations, frozen images, or unmanaged systems may still carry risk. Treat as a legacy browser hygiene issue unless Firefox before 51 exists in the environment. If found, prioritize removal or upgrade because browser memory bugs can affect user-facing attack surface. Mitigation focus: Upgrade Firefox before 51 to version 51 or later.; Prefer a currently supported Firefox release, not only the minimum fixed version.; Inventory managed endpoints for legacy Firefox installations..

Prepared

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

Potential ATT&CK relevance

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2017-5379 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MozillaFirefoxunspecifiedListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.