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Highest advisory severityLow 1 vendor · 1 advisory

CVE-2026-13573

CVE-2026-13573: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityLow3.3

    Low [CVE-2026-13573] Denial of Service via stack-based buffer overflow in StringMap::insert

    CVE-2026-13573Source published Source updated

    A vulnerability was found in llvm llvm-project up to 22.1.6. This affects the function llvm::StringMap::insert in the library /lib/IR/ValueSymbolTable.cpp of the component ValueSymbolTable Module. The manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. The presence of this vulnerability remains uncertain at this time. This manipulation could lead to a denial of service, making the affected system or application unavailable. Successful exploitation could lead to a denial of service, affecting the availability of systems utilizing the vulnerable LLVM component. The vulnerability is limited to local access, reducing its overall risk in typical Red Hat deployments. Red Hat severity: Low — CVSS 3.3…

    Affected products in this advisory
    • Red Hat Hardened Images
    • Red Hat AI Inference Server
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 8

    6 more entries in the full advisory.

    Source-reported affected versions
    • 22.1.6
    Source-reported fixed versions
    • llvm21-main-21.1.8-6.hum1
    • llvm-main-21.1.8-1.1.hum1
    • RHSA-2026:24069
    • RHSA-2026:7634
    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
    Full advisory and evidenceOpen source bulletin

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