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Highest advisory severityCritical 2 vendors · 2 advisories

CVE-2026-54530: Denial of Service via crafted PDF processing

Not in the CISA KEV catalog. Critical advisory severity (CVSS 5.9, Red Hat).

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

CVE-2026-54530 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Critical
CVSS base score
5.9 (Red Hat)
CVSS vector
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H (Red Hat)
Weakness
CWE-835
Fixed releases
  • Red Hat: 6.13.0
Vendor advisories
2 from NetApp, Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-54530; bulletin-wide values are not repeated here.

Is CVE-2026-54530 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-54530 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-54530?

Upgrade to a fixed release named by the vendor:

  • Red Hat: 6.13.0
  • To mitigate this issue, avoid processing untrusted PDF files with applications that utilize the pypdf library for text extraction in layout mode. If possible, configure applications to disable text extraction in layout mode or restrict the sources of PDF files to trusted origins. Update to 6.13.0+ version to fix the vulnerability. (Red Hat)

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Alert me about NetApp

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityCritical10.0

    Critical [CVE-2022-42969 +99] September 2026 IBM Cognos Analytics Vulnerabilities in NetApp Products

    NTAP-20260917-0001Source published Source updated

    This bulletin covers 100 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    There are vulnerabilities in multiple Open-Source Software (OSS) components consumed by IBM Cognos Analytics versions 12.1.0 through 12.1.3 FP1 and 12.0.4 through 12.0.4 FP2 which when successfully exploited could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS). NetApp states there is no workaround available at this time.

    Affected products in this advisory
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    • 12.1.0
    • 12.1.3
    • 12.0.4
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityMedium5.9

    Medium [CVE-2026-54530] Denial of Service via crafted PDF processing

    CVE-2026-54530Source published Source updated

    pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires extracting the text in layout mode. This vulnerability is fixed in 6.13.0. This vulnerability results in a Denial of Service (DoS), making the affected system unresponsive. This Moderate impact flaw in pypdf affects Red Hat products that process untrusted PDF files and extract text in layout mode. An attacker could provide a specially crafted PDF, leading to an infinite loop and a Denial of Service. The vulnerability requires specific processing conditions, contributing to its Moderate severity. Affected method: extract_text(extraction_mode="layout") Red Hat severity: Moderate — CVSS 5.9…

    Affected products in this advisory
    • Exploit Intelligence
    • OpenShift Lightspeed
    • Red Hat Ansible Automation Platform 2
    • Red Hat Enterprise Linux AI (RHEL AI) 3

    2 more entries in the full advisory.

    Source-reported affected versions
    • < 6.13.0
    Source-reported fixed versions
    • 6.13.0
    Mitigation guidance
    • To mitigate this issue, avoid processing untrusted PDF files with applications that utilize the pypdf library for text extraction in layout mode. If possible, configure applications to disable text extraction in layout mode or restrict the sources of PDF files to trusted origins. Update to 6.13.0+ version to fix the vulnerability.
    Full advisory and evidenceOpen source bulletin

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