CVE-2026-70453 | BDVDB-2026-358973 Detail

Description#

rsync before 3.5.0 contains an algorithmic complexity vulnerability in the hash_search() function that allows a remote attacker to cause a denial of service by delivering a carefully constructed file list. A sender can exploit the quadratic-time worst-case behavior in hash lookups to exhaust receiver CPU resources with a modest number of crafted entries, causing a sustained denial of service.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-08-13Record published in the CVE List.
2. Version 22026-08-14Most recent update recorded in the CVE List.