Skip to content
VulniPulse
Sign in
Highest advisory severityCritical 2 vendors · 2 advisories

CVE-2026-49461: Denial of Service via crafted PDF with self-referencing form XObject

Not in the CISA KEV catalog.

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-2026-49461 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Critical
CVSS base score
5.5 (Red Hat)
CVSS vector
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (Red Hat)
Weakness
CWE-835
Fixed releases
  • Red Hat: 6.12.2
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-2026-49461; bulletin-wide values are not repeated here.

Is CVE-2026-49461 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-49461 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-2026-49461?

Upgrade to a fixed release named by the vendor:

  • Red Hat: 6.12.2
  • 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. (Red Hat)

Get an email when NetApp publishes the next one.

See NetApp's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).

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 severityMedium5.5

    Medium [CVE-2026-49461] Denial of Service via crafted PDF with self-referencing form XObject

    CVE-2026-49461Source published Source updated

    pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. This vulnerability is fixed in 6.12.2. A flaw was found in pypdf. An attacker can craft a malicious PDF document containing a form XObject with self-references. When a user attempts to extract text from a page within this crafted PDF, it can lead to excessive memory consumption. This vulnerability may result in a Denial of Service (DoS) due to resource exhaustion. Moderate: A flaw in pypdf and python-PyPDF2 can lead to a denial of service due to excessive memory consumption. This occurs when processing a specially crafted PDF…

    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
    • < 6.12.2
    Source-reported fixed versions
    • 6.12.2
    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

More NetApp advisories

All NetApp advisories

Follow CVE-2026-49461 in the free weekly digest

Every Monday: whether it was added to CISA KEV, reported exploited, got a fix or changed severity, plus the week's critical and high advisories.

Free, no account. Confirm by email; unsubscribe in one click. Choose vendors and severity

Browse the latest tracked CVEs or the CVEs listed in CISA KEV.

iPhone and Android apps · New on the App Store

Get alerts for new CVEs on your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery
Download on the App StoreGet CVE alerts on AndroidSee app features