CVE-2020-10938: GraphicsMagick before 1.3.35 has an integer overflow and resultant heap-based buffer overflow in HuffmanDec...

Security readout for executives and security teams

CVE-2020-10938 is a memory corruption flaw in GraphicsMagick before 1.3.35. If an affected system processes a crafted image, the Huffman decoder can hit an integer overflow leading to a heap-based buffer overflow. Business risk is highest where GraphicsMagick handles untrusted uploads or automated image conversion. Exposure is most likely on servers, CMS workflows, file upload services, and batch processing jobs that invoke GraphicsMagick before 1.3.35 on user-controlled or externally sourced images. Exact affected OS package versions should be confirmed against Debian and openSUSE advisories. Prioritize remediation for internet-facing upload paths and automated media pipelines. Treat internal-only systems as lower urgency unless they process external files. The evidence supports patching promptly, but not emergency escalation based on active exploitation. Mitigation focus: Upgrade GraphicsMagick to 1.3.35 or a vendor-patched package.; Apply Debian or openSUSE security updates where those distributions are used.; Restrict GraphicsMagick processing of untrusted files until patched..

Prepared

Jun 5, 2026, 15:17 UTC (UTC+00:00)

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