CVE-2019-6619
HIGH
7.5
CVSS Score
Published: May 3, 2019 at 07:35 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
8 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
12.1.0 ≤ v < 12.1.4.113.0.0 ≤ v < 13.1.1.514.0.0 ≤ v < 14.1.0.212.1.0-12.1.413.0.0-13.1.1.414.0.0-14.1.0.1
Affected range stops below 12.1.4.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.0.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/108190x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K94563344CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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