Red Hat Security Advisory: rsync security update
Two security vulnerabilities have been identified in the rsync utility used in Red Hat Enterprise Linux 10. 0 Extended Update Support. The first is an out-of-bounds array access via a negative index (CVE-2025-10158), and the second is a use-after-free vulnerability in extended attribute handling (CVE-2026-41035). These issues have been addressed by Red Hat in updated rsync packages. The update is rated as having an Important security impact by Red Hat Product Security. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
The rsync utility, which facilitates efficient file synchronization by sending only differences over the network, contains two vulnerabilities in Red Hat Enterprise Linux 10.0 EUS. CVE-2025-10158 involves an out-of-bounds array access triggered by a negative index, categorized under CWE-129. CVE-2026-41035 is a use-after-free vulnerability related to extended attribute handling, categorized under CWE-805. Red Hat has released updated rsync packages to fix these issues as detailed in advisory RHSA-2026:20696. The vulnerabilities affect multiple architectures supported by Red Hat Enterprise Linux 10.0 EUS.
Potential Impact
Successful exploitation of these vulnerabilities could lead to memory corruption issues such as crashes or potentially arbitrary code execution due to out-of-bounds access and use-after-free conditions in rsync. The advisory rates the security impact as Important (high severity). There are no reports of active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated rsync packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply the security update as soon as possible following the instructions in Red Hat advisory RHSA-2026:20696 and the referenced article https://access.redhat.com/articles/11258. Since this is an on-premises product, remediation requires manual patching by system administrators. Patch status is confirmed by the vendor advisory.
Red Hat Security Advisory: rsync security update
Description
Two security vulnerabilities have been identified in the rsync utility used in Red Hat Enterprise Linux 10. 0 Extended Update Support. The first is an out-of-bounds array access via a negative index (CVE-2025-10158), and the second is a use-after-free vulnerability in extended attribute handling (CVE-2026-41035). These issues have been addressed by Red Hat in updated rsync packages. The update is rated as having an Important security impact by Red Hat Product Security. No known exploits are reported in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The rsync utility, which facilitates efficient file synchronization by sending only differences over the network, contains two vulnerabilities in Red Hat Enterprise Linux 10.0 EUS. CVE-2025-10158 involves an out-of-bounds array access triggered by a negative index, categorized under CWE-129. CVE-2026-41035 is a use-after-free vulnerability related to extended attribute handling, categorized under CWE-805. Red Hat has released updated rsync packages to fix these issues as detailed in advisory RHSA-2026:20696. The vulnerabilities affect multiple architectures supported by Red Hat Enterprise Linux 10.0 EUS.
Potential Impact
Successful exploitation of these vulnerabilities could lead to memory corruption issues such as crashes or potentially arbitrary code execution due to out-of-bounds access and use-after-free conditions in rsync. The advisory rates the security impact as Important (high severity). There are no reports of active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated rsync packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply the security update as soon as possible following the instructions in Red Hat advisory RHSA-2026:20696 and the referenced article https://access.redhat.com/articles/11258. Since this is an on-premises product, remediation requires manual patching by system administrators. Patch status is confirmed by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:20696
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-41035"]
- Cvss Version
- null
Threat ID: 6a160977e29bf47b5064262e
Added to database: 5/26/2026, 8:58:31 PM
Last enriched: 5/26/2026, 11:34:22 PM
Last updated: 5/27/2026, 5:03:11 AM
Views: 6
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