CVE-2026-97370 Junrar - Denial of Service

Junrar prior to 7.6.1 contains a denial of service caused by improper handling of VM_JMP instruction in RarVM.java, letting attackers cause infinite CPU loops and exhaust worker capacity, exploit requires crafted RAR4 archive.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial Of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
15 October 2026
Updated
16 October 2026
Weakness
CWE-835

Vendor fix

Update to version 7.6.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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