CVE-2026-77220 | michaelrsweet Pdfio up to 1.6.4 Dictionary String Formatting stack-based overflow
A vulnerability, which was classified as problematic, was found in michaelrsweet Pdfio up to 1.6.4. Impacted is an unknown function of the component Dictionary String Formatting. Such manipulation leads to stack-based buffer overflow.
This vulnerability is documented as CVE-2026-77220. The attack can be executed remotely. There is not any exploit available.
You should upgrade the affected component.