RHSA-2026:36730: Moderate: libsolv security update

Published Jul 8, 2026
·
Updated

Moderate: libsolv security update

Other sources

The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.Security Fix(es): libsolv: Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data (CVE-2026-48864) 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.

— Red Hat

Affected Software

47 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
redhat/libsolv<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-debugsource<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-debugsource<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-demo-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-demo-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-tools-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-tools-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/perl-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/perl-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/python3-solv<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/python3-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/python3-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/ruby-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/ruby-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/python3-solv<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-debugsource<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-demo-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-tools-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/perl-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/python3-solv<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/python3-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/ruby-solv-debuginfo<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/libsolv-debuginfo<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/libsolv-debugsource<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/libsolv-demo-debuginfo<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/libsolv-tools-debuginfo<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/perl-solv-debuginfo<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/python3-solv<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/python3-solv-debuginfo<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/ruby-solv-debuginfo<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/libsolv-devel<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-devel<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-tools<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-devel<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-tools<0.7.20-7.el8_10
0.7.20-7.el8_10
redhat/libsolv-devel<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/libsolv-tools<0.7.20-7.el8_10.aa
0.7.20-7.el8_10.aa
redhat/libsolv-tools<0.7.20-7.el8_10
0.7.20-7.el8_10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  2. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  3. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  4. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  5. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  6. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  7. Upgrade

    Upgrade redhat/python3-solv to a version that resolves this vulnerability.

    Fixed in 0.7.20-7.el8_10
  8. Upgrade

    Upgrade redhat/python3-solv-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7.20-7.el8_10
  9. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  10. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  11. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  12. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  13. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  14. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  15. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  16. Upgrade

    Upgrade redhat/python3-solv to a version that resolves this vulnerability.

    Fixed in 0.7.20-7.el8_10.aa
  17. Upgrade

    Upgrade redhat/python3-solv-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7.20-7.el8_10.aa
  18. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  19. Upgrade

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

    Fixed in 0.7.20-7.el8_10
  20. Upgrade

    Upgrade redhat/libsolv-tools to a version that resolves this vulnerability.

    Fixed in 0.7.20-7.el8_10
  21. Upgrade

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

    Fixed in 0.7.20-7.el8_10.aa
  22. Upgrade

    Upgrade redhat/libsolv-tools to a version that resolves this vulnerability.

    Fixed in 0.7.20-7.el8_10.aa
  23. Upgrade

    Upgrade libsolv to a version that resolves this vulnerability.

    Patch CVE-2026-48864

Event History

Jul 8, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·11:52 AM
Data Sourced
via Red Hat·11:52 AM
Severity

Frequently Asked Questions

1

What is the severity of RHSA-2026:36730?

The severity of RHSA-2026:36730 is rated as medium with a score of 4.

2

What is the description of RHSA-2026:36730?

RHSA-2026:36730 describes a moderate security update for the libsolv package.

3

How do I fix RHSA-2026:36730?

To fix RHSA-2026:36730, you should apply the latest security update for libsolv provided by Red Hat.

4

Which software is affected by RHSA-2026:36730?

RHSA-2026:36730 affects Red Hat Enterprise Linux for IBM z Systems and Red Hat CodeReady Linux Builder for IBM z Systems.

5

When was RHSA-2026:36730 published?

RHSA-2026:36730 was published on July 8, 2026.

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