cvedb.io
CVE-2023-23456
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2023-01-12T19:15:24.693 · Last modified 2026-06-17T05:37:11.033

Summary

A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.

Affected products

upx — upx

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.