CVE-2026-115909 zip - Denial of Service

zip Rust library 1.3.0 to < 9.0.0 contains a denial of service caused by unbounded Vec allocation using attacker-controlled ZIP64 uncompressed_size in ZipArchive::extract, letting attackers abort the process, exploit requires crafted ZIP 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
26 October 2026
Updated
27 October 2026
Weakness
CWE-400

Vendor fix

Update to version 9.0.0 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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