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CVE-2026-19519— Claircore: claircore: denial of service via unchecked type assertion in rpm header parser

CVSS 4.3 · Medium EPSS 0.27% · P20

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 11

VendorProductVersion RangeStatus
Red HatRed Hat Advanced Cluster Security 4anyaffected
anyaffected
anyaffected
anyaffected
anyaffected
anyaffected
anyaffected
anyaffected
… +1 more rows
Red HatRed Hat Quay 3anyaffected
anyaffected
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I. Basic Information for CVE-2026-19519

Vulnerability Information
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Vulnerability Title
Claircore: claircore: denial of service via unchecked type assertion in rpm header parser
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in claircore's RPM package scanner. Crafted RPM header data in a container layer can cause an unchecked type assertion to panic the scanner. The panic is not recovered, causing the Clair indexer process to crash, leading to a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Redhat advanced cluster security 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Redhat advanced cluster security是美国Redhat公司开源的一个集群安全平台。 Redhat advanced cluster security存在异常处理不当漏洞，该漏洞源于claircore的RPM包扫描器未检查类型断言，容器层中特制的RPM头数据可触发扫描器崩溃，导致拒绝服务。
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 Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Advanced Cluster Security 4-cpe:/a:redhat:advanced_cluster_security:4
Red HatRed Hat Quay 3-cpe:/a:redhat:quay:3
Red HatRed Hat Quay 3-cpe:/a:redhat:quay:3

II. Public POCs for CVE-2026-19519

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III. Intelligence Information for CVE-2026-19519

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Vendor Advisories for CVE-2026-19519 (2)

Same Patch Batch · Red Hat · 2026-08-11 · 29 CVEs total

CVE-2026-105799.8 CRITICALPicketlink-federation: auth bypass in picketlink saml unsolicited-response
CVE-2026-195468.8 HIGHDbi: incomplete fix for cve-2026-14380 dbi: arbitrary code execution via caller-influenced
CVE-2026-155558.8 HIGHJboss-marshalling-river: wildfly-clustering-infinispan-marshalling: jboss deserialization
CVE-2026-155568.1 HIGHPicketlink-federation: picketlink saml 2.0 auth bypass via missing assertions
CVE-2026-155608.1 HIGHOpenjdk-orb: unauthed class loading via iiop in eap
CVE-2026-726937.8 HIGHKbd: local privilege escalation in openvt via incorrect process owner verification allowin
CVE-2026-714677.5 HIGHAcm-search-v2-api-rhel9: search-v2-api: authentication bypass on /federated via upgrade: w
CVE-2026-712177.5 HIGHIperf3: iperf3 server accepts unbounded peer-controlled json parameters enabling remote de
CVE-2026-155677.5 HIGHWildfly: wildfly-iiop: wildfly-jacorb: wildfly: pre-auth denial of service on the iiop lis
CVE-2026-155657.5 HIGHUndertow: undertow-websockets: undertow: pre-auth dos on websocket endpoint with @serveren
CVE-2026-155627.5 HIGHJboss-remoting: jboss-remoting: integer overflow in messagereader leads to pre-authenticat
CVE-2026-155617.5 HIGHUndertow-core: oom via missing limits in chunked trailer in eap's undertow
CVE-2026-155637.4 HIGHWildfly-iiop-openjdk: missing authentication on eap's iiop nameservice leads to mitm or do
CVE-2026-155547.4 HIGHUndertow-core: undertow: authentication bypass via ajp ssl_cert/is_ssl forgery
CVE-2026-502367.4 HIGHOpenshift/console: authenticated ssrf with full response reflection and path neutralizatio
CVE-2026-502377.4 HIGHOpenshift/console: namespace tenant ssrf with egress bypass, catalog poisoning, and admin-
CVE-2026-726947.1 HIGHMrtg: mrtg daemon symlink-following chown allows local privilege escalation via pid file p
CVE-2026-243306.5 MEDIUMWildfly-core: wildfly: arbitrary file read via malicious archive deployment
CVE-2026-193916.5 MEDIUMInsights-core: insights-core: incomplete credential redaction exposes sssd bind passwords
CVE-2026-714746.3 MEDIUMInsights-client-rhel9: insights-client: pull-secret bearer token written to logs on non-20

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Red Hat Advanced Cluster Security 4
Same vendor: Red Hat
Same weakness: CWE-617

V. Comments for CVE-2026-19519

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