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Medium DLA-3991-1 1 CVE

upx-ucl - security update

Published Dec 11, 2024 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 11 upx-ucl 3.96-2+deb11u1

Vulnerabilities 1

  • Medium 5.3
    CVE-2023-23456

    Upx: heap-buffer-overflow in packtmt::pack()

    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.

    upx-ucl upx-ucl upx upx-doc Debian Ubuntu Alpine Wolfi