Issued at: 2026-11-13
Updated at: 2026-11-14
Advisory content derived from Red Hat RHSA-2026:98403, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: oci-delta security, bug fix, and enhancement update
Description
Creates and applies delta files between OCI image archives for bootc systems. Delta files are significantly smaller than full OCI archives because they exclude layers already present on the target system and use binary diffs (tar-diff) for changed layers.
Security Fix(es):
* encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
* crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031)
Bug Fix(es) and Enhancement(s):
* Update oci-delta to v0.3.1 for Rocky Linux 10.3.z async release (JIRA:Rocky Linux-290036)
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.