CVE-2025-67901
low-risk
Published 2025-12-15
openrsync through 0.5.0, as used in OpenBSD through 7.8 and on other platforms, allows a client to cause a server SIGSEGV by specifying a length of zero for block data, because the relationship between p->rem and p->len is not checked.
Do I need to act?
-
0.09% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10
Medium
NETWORK
/ HIGH complexity
22
/ 100
low-risk
Severity
17/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal