Issued:
2026-06-23
Updated:
2026-06-23

RHSA-2026:28236 - Moderate: libsolv security update

Synopsis

Moderate: libsolv security update

Type/Severity

Security Advisory: Moderate

Topic

An update for libsolv is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.

Security Fix(es):

  • libsolv: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512 checksums (CVE-2026-9150)

  • libsolv: Heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file (CVE-2026-9149)

  • 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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_6410x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support10.2x86_64
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle10.2x86_64
Red Hat Enterprise Linux for x86_64 - 4 years of updates10.2x86_64
Red Hat Enterprise Linux for Power, little endian10ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support10.2ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle10.2ppc64le
Red Hat Enterprise Linux for Power, little endian - 4 years of support10.2ppc64le
Red Hat Enterprise Linux for IBM z Systems10s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support10.2s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle10.2s390x
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates10.2s390x
Red Hat Enterprise Linux for ARM 6410aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support10.2aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle10.2aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates10.2aarch64
Red Hat CodeReady Linux Builder for x86_6410x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support10.2x86_64
Red Hat CodeReady Linux Builder for Power, little endian10ppc64le
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support10.2ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems10s390x
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support10.2s390x
Red Hat CodeReady Linux Builder for ARM 6410aarch64
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support10.2aarch64

Updated Packages

  • libsolv-tools-base-debuginfo-0.7.33-5.el10_2.ppc64le.rpm
  • libsolv-demo-debuginfo-0.7.33-5.el10_2.s390x.rpm
  • libsolv-tools-base-0.7.33-5.el10_2.s390x.rpm
  • perl-solv-debuginfo-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-0.7.33-5.el10_2.ppc64le.rpm
  • python3-solv-0.7.33-5.el10_2.s390x.rpm
  • python3-solv-debuginfo-0.7.33-5.el10_2.ppc64le.rpm
  • python3-solv-debuginfo-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-debugsource-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-devel-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-tools-debuginfo-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-tools-base-0.7.33-5.el10_2.ppc64le.rpm
  • python3-solv-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-debugsource-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-debugsource-0.7.33-5.el10_2.ppc64le.rpm
  • perl-solv-debuginfo-0.7.33-5.el10_2.x86_64.rpm
  • ruby-solv-debuginfo-0.7.33-5.el10_2.aarch64.rpm
  • ruby-solv-debuginfo-0.7.33-5.el10_2.s390x.rpm
  • libsolv-0.7.33-5.el10_2.src.rpm
  • libsolv-demo-debuginfo-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-debuginfo-0.7.33-5.el10_2.s390x.rpm
  • libsolv-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-debuginfo-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-demo-debuginfo-0.7.33-5.el10_2.ppc64le.rpm
  • perl-solv-debuginfo-0.7.33-5.el10_2.s390x.rpm
  • libsolv-tools-base-debuginfo-0.7.33-5.el10_2.s390x.rpm
  • libsolv-tools-base-debuginfo-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-debugsource-0.7.33-5.el10_2.s390x.rpm
  • libsolv-tools-0.7.33-5.el10_2.ppc64le.rpm
  • ruby-solv-debuginfo-0.7.33-5.el10_2.ppc64le.rpm
  • libsolv-tools-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-tools-base-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-debuginfo-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-devel-0.7.33-5.el10_2.s390x.rpm
  • libsolv-tools-debuginfo-0.7.33-5.el10_2.x86_64.rpm
  • perl-solv-debuginfo-0.7.33-5.el10_2.ppc64le.rpm
  • libsolv-demo-debuginfo-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-tools-base-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-0.7.33-5.el10_2.s390x.rpm
  • libsolv-tools-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-tools-debuginfo-0.7.33-5.el10_2.s390x.rpm
  • python3-solv-debuginfo-0.7.33-5.el10_2.s390x.rpm
  • libsolv-devel-0.7.33-5.el10_2.ppc64le.rpm
  • python3-solv-0.7.33-5.el10_2.ppc64le.rpm
  • ruby-solv-debuginfo-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-debuginfo-0.7.33-5.el10_2.ppc64le.rpm
  • libsolv-devel-0.7.33-5.el10_2.aarch64.rpm
  • python3-solv-debuginfo-0.7.33-5.el10_2.aarch64.rpm
  • libsolv-tools-debuginfo-0.7.33-5.el10_2.ppc64le.rpm
  • python3-solv-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-tools-base-debuginfo-0.7.33-5.el10_2.x86_64.rpm
  • libsolv-tools-0.7.33-5.el10_2.s390x.rpm

Fixes

CVEs

References

Additional information