CVE-2026-9150: opensuse libsolv Stack-based Buffer Overflow
Vulnerability summary
CVE-2026-9150 is a medium (CVSS 6.5) Stack-based Buffer Overflow vulnerability in opensuse libsolv. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 11 · Related 8Timeline
- 20-05-2026PublishedVulnerability first disclosed.
- 01-09-2026Last modifiedVulnerability information updated.
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 metrics
5 scores · 5 sources · 1 version- OSV · Red hatEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.58%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
+0.17 pp
From 0.41% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat13 products
- enterprise_linuxEOL7.0 | 8.0 | 9.0 | 10.0
- hardened_imagesna
- openshift_container_platform4.0
- satellite6.0
- update_infrastructure4
Debian1 product
- libsolvAll versions (No fix recorded) | < 0.7.37-1
Opensuse1 product
- libsolv≤ 0.7.36
Ubuntu1 product
- libsolvAll versions (No fix recorded)
4 vendors · 16 products
References
15 links- bugzilla.redhat.com/show_bug.cgi?id=2460379Issue TrackingX Refsource REDHATREPORTThird Party Advisory
- images.redhat.comARTICLE