CVE-2026-55195

Katalog CVE

CVSS 8.7 · High EPSS 0,32%

Kerentanan Improper Handling of Highly Compressed Data (Data Amplification). Skor CVSS 4.0 8.7 (High) menurut github.com.

Deskripsi (NVD)

py7zr is a Python-based library and utility to support 7zip archive compression, decompression, encryption and decryption. Prior to 1.1.3, py7zr's Worker.decompress() extracted archive entries without tracking total decompressed size, allowing a crafted .7z file such as a 15.6 KB archive that expands to 100 MB to exhaust disk or memory before extraction completes. This issue is fixed in version 1.1.3.

Rincian

Terbit di NVD

8 Juli 2026

Terakhir diubah

10 Juli 2026

Status NVD

Deferred

CVSS 4.0

8.7 (High), sumber github.com
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)

EPSS (30 hari)

0,32% peluang dieksploitasi; lebih tinggi dari 23,3% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/miurahr/py7zr/commit/28faf107b64374fa5a02bfb93aa2024e281ca97b
• https://github.com/miurahr/py7zr/releases/tag/v1.1.3
• https://github.com/miurahr/py7zr/security/advisories/GHSA-gjrg-mpp7-g774