- What: Security update for skopeo in Red Hat Enterprise Linux
- Impact: Systems using skopeo may be vulnerable to attacks
Red Hat Product Errata RHSA-2026:29035 - Security Advisory Issued: 2026-06-24 Updated: 2026-06-24 RHSA-2026:29035 - Security Advisory Overview Updated Packages Synopsis Important: skopeo security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for skopeo is now available for Red Hat Enterprise Linux 10. 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 skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. Security Fix(es): net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281) crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) 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. 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 10 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 Red Hat Enterprise Linux for IBM z Systems 10 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le Red Hat Enterprise Linux for ARM 64 10 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x Fixes BZ - 2445356 - CVE-2026-25679 net/url: Incorrect parsing of IPv6 host literals in net/url BZ - 2456333 - CVE-2026-32281 crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation BZ - 2456338 - CVE-2026-32283 crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages BZ - 2456339 - CVE-2026-32280 crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVEs CVE-2026-25679 CVE-2026-32280 CVE-2026-32281 CVE-2026-32283 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 10 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b x86_64 skopeo-1.22.2-2.el10_2.x86_64.rpm SHA-256: 8f0b79b94b33b636ad3822b6022f23bcc833754543d12a5b54b14b39d04207c6 skopeo-debuginfo-1.22.2-2.el10_2.x86_64.rpm SHA-256: 5e593ccd428e77fa305b46407991395110fe0a7d8271fb429459c4832cf664d7 skopeo-debugsource-1.22.2-2.el10_2.x86_64.rpm SHA-256: a80fc9559d20944cc615e7990ef0dda33ca146c86358f123a59233a27264f2e1 skopeo-tests-1.22.2-2.el10_2.x86_64.rpm SHA-256: 2d3cac9fdc2b01d578bc603475a25882b4dcc2eac46988c4b64f7ce4e5653f01 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b x86_64 skopeo-1.22.2-2.el10_2.x86_64.rpm SHA-256: 8f0b79b94b33b636ad3822b6022f23bcc833754543d12a5b54b14b39d04207c6 skopeo-debuginfo-1.22.2-2.el10_2.x86_64.rpm SHA-256: 5e593ccd428e77fa305b46407991395110fe0a7d8271fb429459c4832cf664d7 skopeo-debugsource-1.22.2-2.el10_2.x86_64.rpm SHA-256: a80fc9559d20944cc615e7990ef0dda33ca146c86358f123a59233a27264f2e1 skopeo-tests-1.22.2-2.el10_2.x86_64.rpm SHA-256: 2d3cac9fdc2b01d578bc603475a25882b4dcc2eac46988c4b64f7ce4e5653f01 Red Hat Enterprise Linux for IBM z Systems 10 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b s390x skopeo-1.22.2-2.el10_2.s390x.rpm SHA-256: 811596d29187d30dc698c256c04744f8352e7f5659df7df92025ad5a564a1964 skopeo-debuginfo-1.22.2-2.el10_2.s390x.rpm SHA-256: 82a9d295dd461fc39f5e962eb33dc60f31f89015f64f7588ebfa764a9a1cc97a skopeo-debugsource-1.22.2-2.el10_2.s390x.rpm SHA-256: 6638164608e890da833b815013fcf0cd6f2c912399b5d50e80c1583699dfa257 skopeo-tests-1.22.2-2.el10_2.s390x.rpm SHA-256: 44db84f9c8a48c37a59a63594d9195b63b39d35c911b776c462e2b29241bf76a Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b s390x skopeo-1.22.2-2.el10_2.s390x.rpm SHA-256: 811596d29187d30dc698c256c04744f8352e7f5659df7df92025ad5a564a1964 skopeo-debuginfo-1.22.2-2.el10_2.s390x.rpm SHA-256: 82a9d295dd461fc39f5e962eb33dc60f31f89015f64f7588ebfa764a9a1cc97a skopeo-debugsource-1.22.2-2.el10_2.s390x.rpm SHA-256: 6638164608e890da833b815013fcf0cd6f2c912399b5d50e80c1583699dfa257 skopeo-tests-1.22.2-2.el10_2.s390x.rpm SHA-256: 44db84f9c8a48c37a59a63594d9195b63b39d35c911b776c462e2b29241bf76a Red Hat Enterprise Linux for Power, little endian 10 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b ppc64le skopeo-1.22.2-2.el10_2.ppc64le.rpm SHA-256: 1a9b0e501b61416de33101f9ffb8e0eae9513e5bfc51def738dc814a50b2b55e skopeo-debuginfo-1.22.2-2.el10_2.ppc64le.rpm SHA-256: c62f2687fba964f70f3eb617a4734d4c256012694d7cace988ac763605cece12 skopeo-debugsource-1.22.2-2.el10_2.ppc64le.rpm SHA-256: b6dc6e9f4510bbf2ceb6ee4dd1140519aa443322fe210f78fef0864daa03d065 skopeo-tests-1.22.2-2.el10_2.ppc64le.rpm SHA-256: d95d823cb4d7371ea05e16ec3c7c2add20ee0500718b6dd1c600db38f6508bcb Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b ppc64le skopeo-1.22.2-2.el10_2.ppc64le.rpm SHA-256: 1a9b0e501b61416de33101f9ffb8e0eae9513e5bfc51def738dc814a50b2b55e skopeo-debuginfo-1.22.2-2.el10_2.ppc64le.rpm SHA-256: c62f2687fba964f70f3eb617a4734d4c256012694d7cace988ac763605cece12 skopeo-debugsource-1.22.2-2.el10_2.ppc64le.rpm SHA-256: b6dc6e9f4510bbf2ceb6ee4dd1140519aa443322fe210f78fef0864daa03d065 skopeo-tests-1.22.2-2.el10_2.ppc64le.rpm SHA-256: d95d823cb4d7371ea05e16ec3c7c2add20ee0500718b6dd1c600db38f6508bcb Red Hat Enterprise Linux for ARM 64 10 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b aarch64 skopeo-1.22.2-2.el10_2.aarch64.rpm SHA-256: c2c941acd05b08e6349f009478f71ef263359ef7c88b56376d875a41e1f85884 skopeo-debuginfo-1.22.2-2.el10_2.aarch64.rpm SHA-256: 9c740943c762d10719202cdd18109054fc07860236843e97910743ee0f0b230c skopeo-debugsource-1.22.2-2.el10_2.aarch64.rpm SHA-256: 056ee5e0a7ad7cbccdc6bc1686036de88199ea5e6893543f4af2b25840e11ca7 skopeo-tests-1.22.2-2.el10_2.aarch64.rpm SHA-256: 228fe62d453f34554b3560817359a75a493cefebeccea040e28f3270bf459490 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b aarch64 skopeo-1.22.2-2.el10_2.aarch64.rpm SHA-256: c2c941acd05b08e6349f009478f71ef263359ef7c88b56376d875a41e1f85884 skopeo-debuginfo-1.22.2-2.el10_2.aarch64.rpm SHA-256: 9c740943c762d10719202cdd18109054fc07860236843e97910743ee0f0b230c skopeo-debugsource-1.22.2-2.el10_2.aarch64.rpm SHA-256: 056ee5e0a7ad7cbccdc6bc1686036de88199ea5e6893543f4af2b25840e11ca7 skopeo-tests-1.22.2-2.el10_2.aarch64.rpm SHA-256: 228fe62d453f34554b3560817359a75a493cefebeccea040e28f3270bf459490 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b aarch64 skopeo-1.22.2-2.el10_2.aarch64.rpm SHA-256: c2c941acd05b08e6349f009478f71ef263359ef7c88b56376d875a41e1f85884 skopeo-debuginfo-1.22.2-2.el10_2.aarch64.rpm SHA-256: 9c740943c762d10719202cdd18109054fc07860236843e97910743ee0f0b230c skopeo-debugsource-1.22.2-2.el10_2.aarch64.rpm SHA-256: 056ee5e0a7ad7cbccdc6bc1686036de88199ea5e6893543f4af2b25840e11ca7 skopeo-tests-1.22.2-2.el10_2.aarch64.rpm SHA-256: 228fe62d453f34554b3560817359a75a493cefebeccea040e28f3270bf459490 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 SRPM skopeo-1.22.2-2.el10_2.src.rpm SHA-256: 95b4e793eba6a2347d9ca5aaf6a579d2d4e3c663b9eaf000b6d392e9886ef86b s390x skopeo-1.22.2-2.el10_2.s390x.rpm SHA-256: 811596d29187d30dc698c256c04744f8352e7f5659df7df92025ad5a564a1964 skopeo-debuginfo-1.22.2-2.el10_2.s390x.rpm SHA-256: 82a9d295dd461fc39f5e962eb33dc60f31f89015f64f7588ebfa764a9a1cc97a skopeo-debugsource-1.22.2-2.el10_2.s390x.rpm SHA-256: 6638164608e890da833b815013fcf0cd6f2c912399b5d50e80c1583699dfa257 skopeo-tests-1.22.2-2.el10_2.s390x.rpm SHA-256: 44db84f9c8a48c37a59a63594d9195b63b39d35c911b776c462e2b29241bf76a Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 SRPM skopeo-1.22.2-2.el1