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Highest advisory severityCritical 3 vendors · 3 advisories

CVE-2026-34355

CVE-2026-34355: 3 tracked advisory records across Apache, 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.

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Vendor advisory comparison

Apache

1 advisory
  • Advisory severityUnrated

    Advisory [CVE-2026-34355] Apache HTTP Server: mod_proxy_html buffer overflow

    CVE-2026-34355Source published Source updated

    A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

    Affected products in this advisory
    • Apache HTTP Server
    Source-reported affected versions
    • Apache HTTP Server 2.4.0 through 2.4.67
    Source-reported fixed versions
    • 2.4.68
    Mitigation guidance
    • Users are recommended to upgrade to version 2.4.68, which fixes this issue.
    Full advisory and evidenceOpen source bulletin

NetApp

1 advisory
  • Advisory severityCritical9.8

    Critical [CVE-2026-29167 +8] June 2026 Apache HTTP Server Vulnerabilities in NetApp Products

    NTAP-20260610-0001Source published Source updated

    This bulletin covers 9 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Multiple NetApp products incorporate Apache HTTP Server. Apache HTTP Server versions 2.4.0 through 2.4.67 are susceptible to vulnerabilities which when successfully exploited could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS). ONTAP 9: Affected only by CVE-2026-44185. 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
    • ONTAP 9
    Source-reported affected versions
    • 2.4.0
    • 2.4.67
    Source-reported fixed versions
    • ONTAP 9: 9.14.1P18
    • ONTAP 9: 9.15.1P20
    • ONTAP 9: 9.16.1P14
    • ONTAP 9: 9.17.1P10

    2 more entries in the full advisory.

    Mitigation guidance
    • Update affected NetApp products to a fixed release: ONTAP 9: 9.14.1P18, ONTAP 9: 9.15.1P20, ONTAP 9: 9.16.1P14, ONTAP 9: 9.17.1P10, ONTAP 9: 9.18.1P5, ONTAP 9: 9.19.1.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-34355] Buffer overflow in mod_proxy_html allows security bypass

    CVE-2026-34355Source published

    Buffer overflow in mod_proxy_html allows security bypass. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Affected package(s): httpd. Resolved in Red Hat advisory RHSA-2026:34109 — update the affected packages (`sudo dnf update`).

    Affected products in this advisory
    • Red Hat Enterprise Linux 6
    • Red Hat Enterprise Linux 7
    • Red Hat Enterprise Linux 8
    • Red Hat Hardened Images

    5 more entries in the full advisory.

    Source-reported affected versions
    • httpd-0:2.4.63-13.el10_2.4
    Source-reported fixed versions
    • RHSA-2026:34109
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:34109 (`sudo dnf update` / `yum update`).
    Full advisory and evidenceOpen source bulletin

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