CVE-2021-40839

Katalog CVE

CVSS 7.5 · High EPSS 5,5%

Kerentanan Loop with Unreachable Exit Condition ('Infinite Loop') pada rencode project rencode, fedoraproject fedora. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\x2f\x7f), enabling a remote attack that consumes CPU and memory.

Rincian

Terbit di NVD

10 September 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

EPSS (30 hari)

5,5% peluang dieksploitasi; lebih tinggi dari 92,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75 patch · advisory pihak ketiga
• https://github.com/aresch/rencode/pull/29 patch · advisory pihak ketiga
• https://pypi.org/project/rencode/#history advisory pihak ketiga
• https://seclists.org/fulldisclosure/2021/Sep/16 mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20211008-0001/ advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BMVQRPDVSVZNG...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MCLETLGVM5DBX...