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Highest advisory severityLow 1 vendor · 1 advisory

CVE-2026-13574

CVE-2026-13574: 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-2026-13574] Denial of service via heap-based buffer overflow in Bitcode File Handler

    CVE-2026-13574Source published Source updated

    A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. There are still doubts about whether this vulnerability truly exists. The LLVM project explains, that the reported behavior is outside its documented security scope and therefore not considered a security vulnerability. This flaw could lead to a denial of service, making the affected system unavailable. Red Hat severity: Low — CVSS 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L). Weakness: CWE-805. Affected Red Hat…

    Affected products in this advisory
    • Red Hat Hardened Images
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 8
    • Red Hat Enterprise Linux 9

    2 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
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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