CVE-2021-30500

Katalog CVE

CVSS 7.8 · High EPSS 1,2%

Kerentanan NULL Pointer Dereference pada upx, redhat enterprise linux +1 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.

Rincian

Terbit di NVD

27 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

1,2% peluang dieksploitasi; lebih tinggi dari 68,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc patch · advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=1948692 issue tracking · advisory pihak ketiga
• https://github.com/upx/upx/issues/485 exploit · issue tracking · advisory pihak ketiga