What is RHSA-2026:30855?

RHSA-2026:30855 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: git-lfs security update

Which CVE IDs does RHSA-2026:30855 cover?

RHSA-2026:30855 covers the following CVE IDs: CVE-2026-39821. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:30855?

RHSA-2026:30855 has a CVSS v3 base score of 8.2, published by Red Hat Product Security.

Which products are affected by RHSA-2026:30855?

RHSA-2026:30855 affects 14 products, including: Red Hat Enterprise Linux AppStream (v. 10); git-lfs-0:3.7.1-5.el10_2.5.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); git-lfs-0:3.7.1-5.el10_2.5.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); git-lfs-0:3.7.1-5.el10_2.5.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); git-lfs-0:3.7.1-5.el10_2.5.src as a component of Red Hat Enterprise Linux AppStream (v. 10); and others — see the full list on the advisory page.

RHSA-2026:30855HighCVSS 8.2

Red Hat Security Advisory: git-lfs security update

Vendor

Red Hat Product Security

Published

June 29, 2026

Last Modified

July 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-39821 →

📋 Description

CVE-2026-39821 — golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing

🎯 Affected products14

Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-0:3.7.1-5.el10_2.5.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-0:3.7.1-5.el10_2.5.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-0:3.7.1-5.el10_2.5.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-0:3.7.1-5.el10_2.5.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-0:3.7.1-5.el10_2.5.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debuginfo-0:3.7.1-5.el10_2.5.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debuginfo-0:3.7.1-5.el10_2.5.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debuginfo-0:3.7.1-5.el10_2.5.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debuginfo-0:3.7.1-5.el10_2.5.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debugsource-0:3.7.1-5.el10_2.5.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debugsource-0:3.7.1-5.el10_2.5.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debugsource-0:3.7.1-5.el10_2.5.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
git-lfs-debugsource-0:3.7.1-5.el10_2.5.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Upgrade to a fixed golang.org/x/net release that includes the idna correction, via updated golang or dependent package rebuilds.

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products14

✅ Remediation

🔗 References (4)