CVE-2025-67901CWE-1284

CVE-2025-67901

Medium · published December 15, 2025

CVSS v3.1
5.3
EPSS
0%
Percentile
19.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00283 · 19.7th percentile
Weakness
CWE-1284 · Improper Validation of Specified Quantity in Input
Published
2025-12-15T05:15Z
References (2)
https://github.com/kristapsdz/openrsync/issues/34 · [email protected]https://github.com/openbsd/src/blob/60b9c3dff1abf933e85e3c4d96b54201ee947513/usr.bin/rsync/blocks.c#L480-L481 · [email protected]
EPSS history
Timeline
  • 14 DEC 23:50Z
    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…
    cvelistv5