Advisory severityHigh7.8Vendor: MediumRed Hat Linux

High [CVE-2026-39919] Heap buffer overflow via JPEG 2000 output adapter

This high-severity Red Hat Linux advisory covers CVE-2026-39919; related products: Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-39919 Source published Sep 15, 2026Source updated Sep 15, 2026

VulniPulse record published Sep 21, 2026Record updated Oct 2, 2026

CVE-2026-39919

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Summary

Heap buffer overflow via JPEG 2000 output adapter. Red Hat rates this moderate (CVSS 7.8).

Weakness: CWE-122. Red Hat lists fixing advisory RHSA-2026:74464 with package ghostscript-0:9.54.0-19.el9_8.1, ghostscript-0:10.02.1-16.el10_2.1.

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.

Affected versions

< 10.08.0

Official advisory · high-confidence parse· fetched 9 days ago·verify at source

Fixed versions

ghostscript-0:9.54.0-19.el9_8.1
ghostscript-0:10.02.1-16.el10_2.1
RHSA-2026:74464

Official advisory · high-confidence parse· fetched 9 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

To mitigate this vulnerability, avoid processing untrusted or suspicious PDF documents with Ghostscript. Users should exercise caution when handling files from unknown or unverified sources.

Official advisory · high-confidence parse· fetched 9 days ago·verify at source

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