CVE-2026-41035
Last modified
CVE-2026-41035 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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). EPSS estimates a 0.32% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Rsync | >= 3.0.1, <= 3.4.1 |
References
- https://github.com/RsyncProject/rsync/issues/871Issue Tracking
- https://github.com/RsyncProject/rsync/releasesRelease Notes
- https://www.openwall.com/lists/oss-security/2026/04/16/2Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/16/9Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/22/3Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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