PT-2025-51180 · Openbsd+1 · Openbsd+1

Published 2025-12-14 · Updated 2025-12-15 · CVE-2025-67901

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions openrsync versions through 0.5.0 OpenBSD versions through 7.8

Description The software is susceptible to a condition where a client can trigger a server SIGSEGV by providing a length of zero for block data. This occurs because the relationship between p->rem and p->len is not validated.

Recommendations Update openrsync to a version later than 0.5.0. Update OpenBSD to a version later than 7.8.

Fix

Weakness Enumeration

CWE-1284

Related Identifiers

CVE-2025-67901

Affected Products

Openbsd

Openrsync

References · 7

• https://osv.dev/vulnerability/CVE-2025-67901 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-67901 · Security Note
• https://github.com/openbsd/src/blob/60b9c3dff1abf933e85e3c4d96b54201ee947513/usr.bin/rsync/blocks.c#L480-L481 · Note
• https://github.com/kristapsdz/openrsync/issues/34 · Note
• https://t.me/cveNotify/145726 · Telegram Post
• https://t.me/CVEtracker/39788 · Telegram Post
• https://twitter.com/CVEnew/status/2000611254336172419 · Twitter Post