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CVE-2026-9150

30
FAUCET Score

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.

First published: May 20, 2026Last modified: Jun 29, 2026

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.7.36CPE matchmatch criteria
cpe:2.3:a:opensuse:libsolv:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:*
4CPE matchmatch criteria
cpe:2.3:a:redhat:update_infrastructure:4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 34th percentile among its peer group of 26,209 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 21362-17084Fixed in: 0.7.28-4
microsoftpatch availablevia msrc
Product: azl3 libsolv 0.7.28-3 on Azure Linux 3.0Fixed in: 0.7.28-4
microsoftpatch availablevia msrc
Product: 21477-17084Fixed in: 0.7.28-4
microsoftpatch availablevia msrc
Product: azl3 libsolv 0.7.28-4 on Azure Linux 3.0Fixed in: 0.7.28-4

Vendor Advisories (1)

microsoft2026-May/CVE-2026-9150Moderate

Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums

May 12, 2026

References

access.redhat.com / errata/RHSA-2026:21333
access.redhat.com / errata/RHSA-2026:28236
access.redhat.com / errata/RHSA-2026:30649
access.redhat.com / security/cve/CVE-2026-9150
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / openSUSE/libsolv/pull/616
Issue TrackingPatch