CVE-2026-22188

UNKNOWN 0.0

Panda3D <= 1.10.16 Deploy-Stub Stack Exhaustion via Unbounded alloca()

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Panda3D versions up to and including 1.10.16 deploy-stub contains a denial of service vulnerability due to unbounded stack allocation. The deploy-stub executable allocates argv_copy and argv_copy2 using alloca() based directly on the attacker-controlled argc value without validation. Supplying a large number of command-line arguments can exhaust stack space and propagate uninitialized stack memory into Python interpreter initialization, resulting in a reliable crash and undefined behavior.

CWE	CWE-457 CWE-789
Vendor	panda3d
Product	panda3d
Published	Jan 7, 2026
Last Updated	Mar 5, 2026

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Affected Versions

Panda3D / Panda3D

0 ≤ 1.10.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

seclists.org: https://seclists.org/fulldisclosure/2026/Jan/9 panda3d.org: https://www.panda3d.org/ github.com: https://github.com/panda3d/panda3d vulncheck.com: https://www.vulncheck.com/advisories/panda3d-deploy-stub-stack-exhaustion-via-unbounded-alloca

Credits

Ron Edgerson