CVE-2018-8975: n/a vulnerability

CVE-2018-8975: The pm_mallocarray2 function in lib/util/mallocvar.c in Netpbm through 10.81.03 allows remote attackers to...

The pm_mallocarray2 function in lib/util/mallocvar.c in Netpbm through 10.81.03 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, as demonstrated by pbmmask.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 07:10 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2018-8975 is a Netpbm image-processing flaw where a specially crafted image can crash or disrupt processing. Business risk is mainly service interruption in systems that accept and transform untrusted images, such as upload or conversion workflows. The source bundle does not show code execution or confirmed active exploitation. Exposure is most likely where Netpbm utilities process files from users, partners, email, web uploads, or automated ingestion. Internal-only desktop use is lower risk unless users open untrusted images through affected tools. Treat as a targeted remediation item for image-processing services, not an emergency enterprise-wide incident. Patch exposed conversion pipelines first because a simple file submission could affect availability. Mitigation focus: Identify systems with Netpbm installed or bundled in image-processing workflows.; Prioritize systems processing externally supplied image files.; Apply relevant vendor package updates from SUSE, Fedora, or your distribution..

Prepared: Jun 7, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 25, 2018, 03:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://github.com/xiaoqx/pocs/blob/master/netpbmCVE reference · x_refsource_MISC
FEDORA-2021-df9ede6a02CVE reference · vendor-advisory, x_refsource_FEDORA
FEDORA-2021-f62099fe51CVE reference · vendor-advisory, x_refsource_FEDORA

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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