CVE-2021-20285: upx — Katalog CVE

csirt@kutim:~/threat-intel/cve/CVE-2021-20285

CVSS 6.6 · Medium EPSS 0,75%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada upx. Skor CVSS 3.1 6.6 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw allows attackers to cause a denial of service (SEGV or buffer overflow and application crash) or possibly have unspecified other impacts via a crafted ELF. The highest threat from this vulnerability is to system availability.

Rincian

Terbit di NVD: 26 Maret 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.6 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787: Out-of-bounds Write
EPSS (30 hari): 0,75% peluang dieksploitasi; lebih tinggi dari 53,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
upx	upx	Versi 3.96

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://bugzilla.redhat.com/show_bug.cgi?id=1937787 issue tracking · advisory pihak ketiga
https://github.com/upx/upx/issues/421 exploit · issue tracking · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.