CVE-2019-3560

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Published Apr 29, 2019 CVSS 3.1 · 7.5 High EPSS 2.4% KEV · Not listed

Description

An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to v2019.03.04.00.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Facebook

fizz

affected

Version	Status	Constraints
`v2019.03.04.00`	affected	—
`unspecified`	affected	< v2019.03.04.00

Configuration 1 [-]

cpe:2.3:a:facebook:fizz:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2019-13197	An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to v2019.03.04.00.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.4% (2.420% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2

History

No history.

Subscriptions

Facebook Fizz

Weaknesses

Sources

CVE record Updated: Feb 13, 2025, 4:27 PM

Status: PUBLISHED
Assigner: facebook
Published: Apr 29, 2019, 12:00 AM
Updated: Feb 13, 2025, 4:27 PM
Reserved: Jan 2, 2019, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:35 AM

Status: Modified
Published: Apr 29, 2019, 4:29 PM
Modified: Jun 17, 2026, 2:35 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"affected": [{"affectedData": [{"product": "fizz", "vendor": "Facebook", "versions": [{"status": "affected", "version": "v2019.03.04.00"}, {"lessThan": "v2019.03.04.00", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "cve-assign@fb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:fizz:*:*:*:*:*:*:*:*", "matchCriteriaId": "E50495AD-BBBB-4821-BC00-150DC6980C2D", "versionEndExcluding": "2019.03.04.00", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to v2019.03.04.00."}, {"lang": "es", "value": "Un c\u00e1lculo de longitud realizado incorrectamente en un b\u00fafer en PlaintextRecordLayer podr\u00eda conducir a un bucle infinito y a una denegaci\u00f3n de servicio basada en la entrada del usuario. Este problema afectaba a las versiones de fizz anteriores a la v2019.03.04.00."}], "id": "CVE-2019-3560", "lastModified": "2026-06-17T02:35:13.873", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-29T16:29:00.813", "references": [{"source": "cve-assign@fb.com", "url": "http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html"}, {"source": "cve-assign@fb.com", "url": "http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html"}, {"source": "cve-assign@fb.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "cve-assign@fb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-131"}, {"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}