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Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-76957

CVE-2026-76957: 2 tracked advisory records across NetApp, 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.

NVD detail CVE.org

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityMedium4.9

    Medium [CVE-2026-76957] Libexpat Vulnerability in NetApp Products

    NTAP-20260924-0025Source published Source updated

    Libexpat versions through 2.8.3 are susceptible to a vulnerability which when successfully exploited could lead to disclosure of sensitive information, addition or modification of data or Denial of Service (DoS). Affected products: NetApp HCI Baseboard Management Controller (BMC) - H610S. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.

    Affected products in this advisory
    • NetApp HCI Baseboard Management Controller (BMC) - H610S
    Source-reported affected versions
    • 2.8.3
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    • NetApp HCI Baseboard Management Controller (BMC) - H610S has no planned fix; migrate to a supported release or product and consult NetApp's end-of-support notice.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityMedium4.9

    Medium [CVE-2026-76957] Memory corruption vulnerability allows arbitrary code execution or denial of service

    CVE-2026-76957Source published Source updated

    libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412. A flaw was found in libexpat. This memory corruption flaw could allow a local attacker to cause a denial of service or potentially execute arbitrary code. Red Hat ships libexpat (packaged as "expat") across many products. All versions of expat prior to 2.8.4 are affected by this use-after-free vulnerability. Exploitation requires triggering the vulnerable code path through custom encoding callbacks, which is not a common usage pattern. Red Hat severity: Moderate — CVSS 4.9 (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L). Weakness: CWE-825. Affected Red Hat products: Red Hat Hardened Images; Red…

    Affected products in this advisory
    • Red Hat Hardened Images
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 6
    • Red Hat Enterprise Linux 7

    9 more entries in the full advisory.

    Source-reported affected versions
    • < 2.8.4
    Source-reported fixed versions
    • expat-main-2.8.3-0.1.1.hum1
    • expat-main-2.8.4-0.1.hum1
    • RHSA-2026:60451
    • RHSA-2026:65568
    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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