High [CVE-2026-57231] Information disclosure via malicious container image environment variables
This high-severity Red Hat Linux advisory covers CVE-2026-57231 affecting Red Hat Enterprise Linux 1, Red Hat Enterprise Linux 9.
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Summary
Information disclosure via malicious container image environment variables. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-914. Red Hat lists fixing advisory RHSA-2026:37123 with package podman-7:5.8.2-4.el10_2, podman-6:5.8.2-4.el9_8, podman-main-6.0.0-1.hum1, container-tools:rhel8-8100020260709093628.afee755d.
Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.
- podman-main-6.0.0-1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- podman-7:5.8.2-4.el10_2
- podman-6:5.8.2-4.el9_8
- podman-main-6.0.0-1.hum1
- container-tools:rhel8-8100020260709093628.afee755d
- RHSA-2026:37123
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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