High [CVE-2026-43618] Remote memory disclosure via integer overflow in compressed-token decoding
This high-severity Red Hat Linux advisory covers CVE-2026-43618 affecting Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 10).
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Summary
Remote memory disclosure via integer overflow in compressed-token decoding. Red Hat rates this important (CVSS 8.1).
Weakness: CWE-190. Affected package(s): rsync, discovery/discovery-ui-rhel9:1782166952.
Resolved in Red Hat advisory RHSA-2026:26410 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream (v. 9); Red Hat Enterprise Linux BaseOS (v. 10); Red Hat Enterprise Linux BaseOS (v. 8); and 8 more.
- rsync-0:3.1.3-27.el8_10
- rsync-0:3.2.5-7.el9_8.2
- discovery/discovery-ui-rhel9:1782166952
- rsync-0:3.4.4-1.el10_2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:26410
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:26410 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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