CVE-2026-53794
Medium · 5.3CVSS
5.3
EPSS
0.5%
Published
Aug 13, 2026
CISA due date
—
The record
rsync before 3.5.0 contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this flaw to cause the receiver to attempt unbounded memory allocations for file list and data structures, potentially exhausting available memory and causing a denial of service.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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