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Rocky Linux osbuild-composer Important Denial of Service RLSA-2026

Linuxsecurity •LinuxSecurity Advisories • September 10, 2026

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An update is available for osbuild-composer. This update affects Rocky Linux 8. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

osbuild-composer-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-0:101.5-2.el8_10.rocky.0.6.src.rpm osbuild-composer-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-core-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-core-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-core-debuginfo-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-core-debuginfo-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-debuginfo-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-debuginfo-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-debugsource-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-debugsource-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-worker-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-worker-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm osbuild-composer-worker-debuginfo-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm osbuild-composer-worker-debuginfo-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

osbuild-composer-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm

osbuild-composer-0:101.5-2.el8_10.rocky.0.6.src.rpm

osbuild-composer-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

osbuild-composer-core-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm

osbuild-composer-core-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

osbuild-composer-core-debuginfo-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm

osbuild-composer-core-debuginfo-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

osbuild-composer-debuginfo-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm

osbuild-composer-debuginfo-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

osbuild-composer-debugsource-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm

osbuild-composer-debugsource-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

osbuild-composer-worker-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm

osbuild-composer-worker-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

osbuild-composer-worker-debuginfo-0:101.5-2.el8_10.rocky.0.6.aarch64.rpm

osbuild-composer-worker-debuginfo-0:101.5-2.el8_10.rocky.0.6.x86_64.rpm

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple Vulnerabilities in Rocky Linux 9 and 10 Addressed with Critical Updates On September 9, 2026, Rocky Linux released multiple updates addressing vulnerabilities in various packages including osbuild-composer, 389-ds-base, gpsd, glib2, and xz. The updates affect both Rocky Linux 9 and 10 systems, with CVSS scores indicating moderate to critical severity. Notable vulnerabilities include a moderate buffer overflow in glib2 and critical error fixes in 389-ds-base. Specific CVEs were not detailed in the articles, but the updates are essential for maintaining system security. Administrators are urged to apply the patches immediately to mitigate potential exploitation risks. The updates include several RPM packages across different architectures, ensuring broad coverage for affected systems. The current status is that the vulnerabilities have been disclosed and patches are available for immediate deployment. 16 sources 59

Extracted Entities

Rocky Linux osbuild-composer Important Denial of Service RLSA-2026

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Extracted Entities

Attack Types (1)

CWE Weaknesses (1)

Platforms (3)