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libsolv: Heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file

🗓️ 23 Jun 2026 20:01:28Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

Libsolv heap buffer overflow in repo_add_solv from negative maxsize in solv file, causing DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-9149
20 May 202623:34
–attackerkb
Tenable Nessus		Amazon Linux 2023 : libsolv, libsolv-demo, libsolv-devel (ALAS2023-2026-1798)
8 Jun 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : libsolv, --advisory ALAS2-2026-3338 (ALAS-2026-3338)
8 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : libsolv (ALSA-2026:28236)
24 Jun 202600:00
–nessus
Tenable Nessus		Photon OS 5.0: Libsolv PHSA-2026-5.0-0886
20 Jun 202600:00
–nessus
Tenable Nessus		RHEL 10 : libsolv (RHSA-2026:28236)
24 Jun 202600:00
–nessus
Tenable Nessus		RockyLinux 10 : libsolv (RLSA-2026:28236)
24 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLES16: libsolv-demo / libsolv-devel / libsolv-devel-static / libsolv-tools / etc (SUSE-SU-2026:22172-1)
26 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLED15: libsolv-devel / libsolv-tools / libsolv-tools-base / libzypp / etc (SUSE-SU-2026:2531-1)
26 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLED15: libsolv-devel / libsolv-tools / libsolv-tools-base / libzypp / etc (SUSE-SU-2026:2575-1)
26 Jun 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64libsolv0:0.7.33-5.el10_2libsolv-0:0.7.33-5.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsolv0:0.7.33-5.el10_2libsolv-0:0.7.33-5.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xlibsolv0:0.7.33-5.el10_2libsolv-0:0.7.33-5.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64libsolv0:0.7.33-5.el10_2libsolv-0:0.7.33-5.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64libsolv-debuginfo0:0.7.33-5.el10_2libsolv-debuginfo-0:0.7.33-5.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsolv-debuginfo0:0.7.33-5.el10_2libsolv-debuginfo-0:0.7.33-5.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xlibsolv-debuginfo0:0.7.33-5.el10_2libsolv-debuginfo-0:0.7.33-5.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64libsolv-debuginfo0:0.7.33-5.el10_2libsolv-debuginfo-0:0.7.33-5.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64libsolv-debugsource0:0.7.33-5.el10_2libsolv-debugsource-0:0.7.33-5.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsolv-debugsource0:0.7.33-5.el10_2libsolv-debugsource-0:0.7.33-5.el10_2.ppc64le.rpm
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10 Jul 2026 04:44Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5
EPSS0.00291
SSVC
CWE-122
libsolvheap overflownegative maxsizecrafted solv filedenial of service
8