Vulnerability Description
In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, many (but not all) common configurations are vulnerable. Non-Linux platforms are more widely vulnerable.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Rsync | >= 3.0.1, <= 3.4.1 |
Related Weaknesses (CWE)
References
- https://github.com/RsyncProject/rsync/issues/871Issue Tracking
- https://github.com/RsyncProject/rsync/releasesRelease Notes
- https://www.openwall.com/lists/oss-security/2026/04/16/2ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/16/9Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/22/3Mailing ListThird Party Advisory
FAQ
What is CVE-2026-41035?
CVE-2026-41035 is a vulnerability with a CVSS score of 7.4 (HIGH). In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run rsync with -X (aka --xattrs). On Linux, m...
How severe is CVE-2026-41035?
CVE-2026-41035 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-41035?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Rsync.