Security readout for executives and security teams
CVE-2019-3560 is an availability issue in Facebook fizz. A bad buffer length calculation in PlaintextRecordLayer could cause an infinite loop from user input, leading to denial of service. The sources only identify fizz versions before v2019.03.04.00 as affected. Exposure is limited to applications or services that directly embed or depend on Facebook fizz versions earlier than v2019.03.04.00. The sources do not identify affected downstream products, distributions, or managed services. Treat this as a targeted availability risk, not confirmed remote compromise. Prioritize remediation where fizz is used in production network services, especially externally reachable systems, and verify dependency versions rather than assuming exposure. Mitigation focus: Upgrade fizz to v2019.03.04.00 or later where applicable.; Identify applications that statically or dynamically include fizz.; Check Facebook fizz release notes and vendor guidance for backport options..
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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Open ATT&CK lookupCVE-2019-3560 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
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
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.
Loop with Unreachable Exit Condition ('Infinite Loop')
Loop with Unreachable Exit Condition ('Infinite Loop') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.