RHSA-2026:49703: Important: delve security, bug fix, and enhancement update

Published Aug 3, 2026
·
Updated

Delve is a debugger for the Go programming language. The goal of the project is to provide a simple, full featured debugging tool for Go. Delve should be easy to invoke and easy to use. Chances are if you're using a debugger, things aren't going your way. With that in mind, Delve should stay out of your way as much as possible.Security Fix(es): net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) Bug Fix(es) and Enhancement(s): Update Delve to 1.26 [rhel-10.0.z] (JIRA:RHEL-213072) 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.

Other sources

Important: delve security, bug fix, and enhancement update

— Red Hat

Affected Software

16 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
redhat/delve<1.26.1-1.el10_0
1.26.1-1.el10_0
redhat/delve<1.26.1-1.el10_0
1.26.1-1.el10_0
redhat/delve-debuginfo<1.26.1-1.el10_0
1.26.1-1.el10_0
redhat/delve-debugsource<1.26.1-1.el10_0
1.26.1-1.el10_0
redhat/delve<1.26.1-1.el10_0
1.26.1-1.el10_0
redhat/delve-debuginfo<1.26.1-1.el10_0
1.26.1-1.el10_0
redhat/delve-debugsource<1.26.1-1.el10_0
1.26.1-1.el10_0
redhat/delve<1.26.1-1.el10_0.aa
1.26.1-1.el10_0.aa
redhat/delve-debuginfo<1.26.1-1.el10_0.aa
1.26.1-1.el10_0.aa
redhat/delve-debugsource<1.26.1-1.el10_0.aa
1.26.1-1.el10_0.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/delve to a version that resolves this vulnerability.

    Fixed in 1.26.1-1.el10_0
  2. Upgrade

    Upgrade redhat/delve-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.26.1-1.el10_0
  3. Upgrade

    Upgrade redhat/delve-debugsource to a version that resolves this vulnerability.

    Fixed in 1.26.1-1.el10_0
  4. Upgrade

    Upgrade redhat/delve to a version that resolves this vulnerability.

    Fixed in 1.26.1-1.el10_0.aa
  5. Upgrade

    Upgrade redhat/delve-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.26.1-1.el10_0.aa
  6. Upgrade

    Upgrade redhat/delve-debugsource to a version that resolves this vulnerability.

    Fixed in 1.26.1-1.el10_0.aa
  7. Upgrade

    Upgrade delve to a version that resolves this vulnerability.

    Fixed in 1.26Patch JIRA:RHEL-213072
  8. Upgrade

    Upgrade golang crypto/x509 to a version that resolves this vulnerability.

    Patch CVE-2026-27145
  9. Upgrade

    Upgrade golang net to a version that resolves this vulnerability.

    Patch CVE-2026-33811

Event History

Aug 3, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·03:46 PM
Data Sourced
via Red Hat·03:46 PM
Severity
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