Highest advisory severityCritical 2 vendors · 2 advisories

CVE-2026-59938: Possible large memory usage for wrong image dimensions

Not in the CISA KEV catalog. Critical advisory severity (CVSS 5.3, 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-2026-59938 key facts

CISA KEV: Not listed (catalog checked Nov 6, 2026)
Highest advisory severity: Critical
CVSS base score: 5.3 (Red Hat)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L (Red Hat)
Weakness: CWE-770
Fixed releases: Red Hat: 6.14.0
Vendor advisories: 2 from NetApp, Red Hat
VulniPulse record: Published Jul 13, 2026 · Updated Sep 29, 2026

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-59938; bulletin-wide values are not repeated here.

Is CVE-2026-59938 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-59938 is not in the CISA KEV catalog (checked Nov 6, 2026) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-59938?

Upgrade to a fixed release named by the vendor:

Red Hat: 6.14.0

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)

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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 Sep 17, 2026Source updated Sep 29, 2026
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 evidence Open source bulletin

Red Hat

1 advisory

Advisory severityMedium5.3
Medium [CVE-2026-59938] Possible large memory usage for wrong image dimensions
CVE-2026-59938Source published Jul 8, 2026Source updated Jul 8, 2026
pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with declared image size values that are much too large compared to the actual data, causing large memory usage in pypdf image parsing. This issue is fixed in version 6.14.0. Moderate: A flaw in the pypdf library allows an attacker to craft a malicious PDF with oversized image declarations, leading to excessive memory consumption during parsing. This could result in a denial of service on systems processing untrusted PDF files. Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). Weakness: CWE-770. Affected Red Hat products: Exploit Intelligence; OpenShift Lightspeed; Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat…
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
< 6.14.0
Source-reported fixed versions
6.14.0
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 evidence Open source bulletin

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