CVE-2026-82398

Katalog CVE

CVSS 5.3 · Medium EPSS 0,52%

Kerentanan Inefficient Algorithmic Complexity pada pypdf project pypdf. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, an attacker can craft a PDF that causes long runtimes when the pypdf/_utils.py function read_until_whitespace reads a stream containing a long run of bytes without whitespace. The function repeatedly performs immutable bytes concatenation in a one-byte loop, causing quadratic processing cost for the long non-whitespace input. This issue is fixed in version 6.15.0.

Rincian

Terbit di NVD

31 Agustus 2026

Terakhir diubah

5 Oktober 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-407: Inefficient Algorithmic Complexity

EPSS (30 hari)

0,52% peluang dieksploitasi; lebih tinggi dari 42,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/py-pdf/pypdf/security/advisories/GHSA-fc8x-2rww-xw9m patch · advisory vendor
• https://github.com/py-pdf/pypdf/commit/4959848e057e37c218dccad7465259210923faaa patch
• https://github.com/py-pdf/pypdf/pull/3947 patch
• https://github.com/py-pdf/pypdf/releases/tag/6.15.0 release notes