RHSA-2026:48815: Moderate: libsolv security update

Published Jul 30, 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

19 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life
Red Hat Red Hat Enterprise Linux Server - AUS
redhat/libsolv<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-debugsource<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-debugsource<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-demo-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-demo-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-tools-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/libsolv-tools-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/perl-solv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/perl-solv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/python3-solv<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/python3-solv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/python3-solv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/ruby-solv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1
redhat/ruby-solv-debuginfo<0.7.20-1.el8_6.1
0.7.20-1.el8_6.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  2. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  3. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  4. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  5. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  6. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  7. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  8. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1
  9. Upgrade

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

    Fixed in 0.7.20-1.el8_6.1

Event History

Jul 30, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·03:04 PM
Data Sourced
via Red Hat·03:04 PM
Severity

Frequently Asked Questions

1

What is the severity of RHSA-2026:48815?

The severity of RHSA-2026:48815 is classified as medium.

2

What type of vulnerability is addressed in RHSA-2026:48815?

RHSA-2026:48815 addresses a heap buffer overflow vulnerability in libsolv.

3

How do I fix RHSA-2026:48815?

To fix RHSA-2026:48815, update the affected libsolv packages to the latest version provided by Red Hat.

4

What is CVE-2026-48864 related to RHSA-2026:48815?

CVE-2026-48864 is the identifier for the heap buffer overflow vulnerability in libsolv that RHSA-2026:48815 addresses.

5

Which packages are affected by RHSA-2026:48815?

The affected packages include redhat/libsolv and its associated debug and demo packages.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203