RHSA-2026:18868 - Security Advisory

Topic

An update for linux-sgx is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Intel SGX SDK is a collection of APIs, libraries, documentations and tools that allow software developers to create and debug Intel SGX enabled applications in C/C++.

Security Fix(es):

• qs: qs: Denial of Service via improper input validation in array parsing (CVE-2025-15284)
• node-tar: tar: node-tar: Arbitrary file overwrite and symlink poisoning via unsanitized linkpaths in archives (CVE-2026-23745)
• node-tar: tar: node-tar: Arbitrary file overwrite via Unicode path collision race condition (CVE-2026-23950)
• lodash: prototype pollution in _.unset and _.omit functions (CVE-2025-13465)
• node-tar: tar: node-tar: Arbitrary file creation via path traversal bypass in hardlink security check (CVE-2026-24842)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64

Fixes

• BZ - 2425946 - CVE-2025-15284 qs: qs: Denial of Service via improper input validation in array parsing
• BZ - 2430538 - CVE-2026-23745 node-tar: tar: node-tar: Arbitrary file overwrite and symlink poisoning via unsanitized linkpaths in archives
• BZ - 2431036 - CVE-2026-23950 node-tar: tar: node-tar: Arbitrary file overwrite via Unicode path collision race condition
• BZ - 2431740 - CVE-2025-13465 lodash: prototype pollution in _.unset and _.omit functions
• BZ - 2433645 - CVE-2026-24842 node-tar: tar: node-tar: Arbitrary file creation via path traversal bypass in hardlink security check
• RHEL-127046 - [RHEL-9.8] Rebase to latest upstream SGX 2.26 / dcap 1.24 releases
• RHEL-140109 - [RHEL-9]Typo in pccsadmin cache default info file name

CVEs

• CVE-2025-13465
• CVE-2025-15284
• CVE-2026-23745
• CVE-2026-23950
• CVE-2026-24842

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.8_release_notes/index