Medium severity · published May 20, 2026
CVE-2026-9150
Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
A flaw was found in libsolv. This stack-based buffer overflow vulnerability occurs in libsolv's Debian metadata parser when processing specially crafted Debian repository metadata. An attacker could exploit this by providing malicious SHA384 or SHA512 checksum tags, leading to memory corruption and a denial of service (DoS) in the affected system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 10.0 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Hardened Images · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat OpenShift Container Platform 4 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Satellite 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Update Infrastructure 4 for Cloud Providers · Red Hat
All versions, or not specified · source: vendor
EL
Enterprise Linux · Redhat
7.0; 8.0; 9.0; 10.0 · source: NVD
HI
Hardened Images · Redhat
All versions, or not specified · source: NVD
LI
Libsolv · Opensuse
through 0.7.36 · source: NVD
OC
Openshift Container Platform · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9150
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9150
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:21333
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:28236
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:30649
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:48818
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-9150
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2460379
More from Red Hat Enterprise Linux 10
7.8
CVE-2026-31431
crypto: algif_aead - Revert to operating out-of-place
7.5
CVE-2026-34486
Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
10.0
CVE-2026-46595
Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh
10.0
CVE-2026-34078
Flatpak has a complete sandbox escape leading to host file access and code execution in the host context
10.0
CVE-2026-4692
Sandbox escape in the Responsive Design Mode component