RHSA-2026:55432: Important: curl security update

Published Aug 17, 2026
·
Updated

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.Security Fix(es): curl: Information disclosure due to uncleared proxy authentication state (CVE-2026-8927) 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.

Affected Software

32 affected componentsFixes available
redhat/curl<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl-debugsource<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-devel<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-minimal<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-minimal-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl-debugsource<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-devel<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-minimal<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-minimal-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl-debugsource<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-devel<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-minimal<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/libcurl-minimal-debuginfo<8.12.1-4.el10_2.4
8.12.1-4.el10_2.4
redhat/curl<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa
redhat/curl-debuginfo<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa
redhat/curl-debugsource<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa
redhat/libcurl<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa
redhat/libcurl-debuginfo<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa
redhat/libcurl-devel<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa
redhat/libcurl-minimal<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa
redhat/libcurl-minimal-debuginfo<8.12.1-4.el10_2.4.aa
8.12.1-4.el10_2.4.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4
  2. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4
  3. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4
  4. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4
  5. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4
  6. Upgrade

    Upgrade redhat/libcurl-devel to a version that resolves this vulnerability.

    Fixed in 8.12.1-4.el10_2.4
  7. Upgrade

    Upgrade redhat/libcurl-minimal to a version that resolves this vulnerability.

    Fixed in 8.12.1-4.el10_2.4
  8. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4
  9. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4.aa
  10. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4.aa
  11. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4.aa
  12. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4.aa
  13. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4.aa
  14. Upgrade

    Upgrade redhat/libcurl-devel to a version that resolves this vulnerability.

    Fixed in 8.12.1-4.el10_2.4.aa
  15. Upgrade

    Upgrade redhat/libcurl-minimal to a version that resolves this vulnerability.

    Fixed in 8.12.1-4.el10_2.4.aa
  16. Upgrade

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

    Fixed in 8.12.1-4.el10_2.4.aa

Event History

Aug 17, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

Which installed components should be included in remediation checks?

Check for curl, libcurl, libcurl-minimal, libcurl-devel, and their debuginfo or debugsource packages listed in the advisory. Applications that use libcurl should also be considered because the issue concerns proxy authentication state.

2

Does the advisory provide a workaround or identify whether default configurations are affected?

No. The provided advisory information does not describe a workaround, affected default configuration, or a method to determine whether proxy authentication state has already been exposed.

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