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CVE-2026-9150— Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums

CVSS 6.5 · Medium EPSS 0.01% · P1

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-9150

Vulnerability Information
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Vulnerability Title
Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
libsolv 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libsolv是openSUSE开源的一个用于检查软件包依赖的库。 libsolv存在安全漏洞，该漏洞源于Debian元数据解析器处理特制Debian仓库元数据时存在栈缓冲区溢出，可能导致内存损坏和拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 10-cpe:/o:redhat:enterprise_linux:10
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
Red HatRed Hat Hardened Images-cpe:/a:redhat:hummingbird:1
Red HatRed Hat OpenShift Container Platform 4-cpe:/a:redhat:openshift:4
Red HatRed Hat Satellite 6-cpe:/a:redhat:satellite:6
Red HatRed Hat Update Infrastructure 4 for Cloud Providers-cpe:/a:redhat:rhui:4::el8

II. Public POCs for CVE-2026-9150

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III. Intelligence Information for CVE-2026-9150

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Patches & Fixes for CVE-2026-9150 (1)

Vendor Advisories for CVE-2026-9150 (2)

Same Patch Batch · Red Hat · 2026-05-20 · 4 CVEs total

CVE-2026-90647.5 HIGH389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext()
CVE-2026-91496.5 MEDIUMLibsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .
CVE-2026-90876.4 MEDIUMKeycloak: cross-session email verification proof not bound to upstream identity in first-b

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-121

V. Comments for CVE-2026-9150

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