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. — CVE-2026-41035
MSRC · Microsoft · CVE-2026-41035
ID
CVE-2026-41035
CVE-2026-41035
Datum
Activity
Quelle
MSRC
MSRC
Vendor
Microsoft
Microsoft
Risiko
high
high
CVSS
7.4
7.4
Zusammenfassung
CVE-2026-41035 is a Hinweis from MSRC. 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. Vendor: Microsoft. Severity/Threat: high.
Produkt
Security Update Guide
Was tun?
Allgemeine, vorsichtige Schritte (bitte prüfe die offizielle Quelle für Details):
- Priorisiere sofort Patches oder Mitigations (hohes akutes Risiko).
- Identifiziere betroffene Produktversionen und prüfe, ob du betroffen bist.
- Spiele Hersteller-Updates/Patches ein oder setze empfohlene Mitigations um.
- Lies das offizielle Advisory für betroffene Versionen und konkrete Schritte.