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CVE-2021-0299

Junos OS: Kernel crash (vmcore) upon receipt of a malformed IPv6 packet PUBLISHED

Description (CNA)

An Improper Handling of Exceptional Conditions vulnerability in the processing of a transit or directly received malformed IPv6 packet in Juniper Networks Junos OS results in a kernel crash, causing the device to restart, leading to a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects systems with IPv6 configured. Devices with only IPv4 configured are not vulnerable to this issue. This issue affects Juniper Networks Junos OS: 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R1-S1, 20.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.4R1.

Affected (CNA)

Vendor / productVersions
Juniper Networks / Junos OSunaffected unspecified before 19.4R1; affected 19.4 before 19.4R3; affected 20.1 before 20.1R2; affected 20.2 before 20.2R1-S1, 20.2R2

CWE

CWE-755

References

ADP enrichment

CVE

No English description supplied.