CVE-2021-30501

Katalog CVE

CVSS 5.5 · Medium EPSS 1,0%

Kerentanan Improper Input Validation pada upx, redhat enterprise linux +1 lainnya. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.

Rincian

Terbit di NVD

27 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation
CWE-617: Reachable Assertion

EPSS (30 hari)

1,0% peluang dieksploitasi; lebih tinggi dari 63,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=1948696 issue tracking · patch · advisory pihak ketiga
• https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46 patch · advisory pihak ketiga
• https://github.com/upx/upx/pull/487 exploit · patch · advisory pihak ketiga
• https://github.com/upx/upx/issues/486 exploit · issue tracking · advisory pihak ketiga