CVE WatchJul 14, 2026

CVE-2026-22189

The egg-mkfont utility in Panda3D versions up to and including 1.10.16 contains a stack-based buffer overflow vulnerability due to use of an

CVSS

9.8

Critical

EPSS

0.4%

p35

KEV

—

Exploit Today

0-100

Published: Jan 7, 2026 · Last modified: Jul 14, 2026 · CWE-121 · CWE-787

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-06-302026-07-18

Technical description

The egg-mkfont utility in Panda3D versions up to and including 1.10.16 contains a stack-based buffer overflow vulnerability due to use of an unbounded sprintf() call with attacker-controlled input. When constructing glyph filenames, egg-mkfont formats a user-supplied glyph pattern (-gp) into a fixed-size stack buffer without length validation. Supplying an excessively long glyph pattern string can overflow the stack buffer, resulting in memory corruption and a deterministic crash. Depending on build configuration and execution environment, the overflow may also be exploitable for arbitrary code execution.

Official references

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