CVE-2026-59886

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 1, 2026

Last Seen

September 1, 2026

API

Exploited in Wild

—

Ransomware Use

—

Public Exploits

—

Attack Vector

—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Denial of Service Vulnerabilities in pyasn1 Library45.9

Multiple vulnerabilities were discovered in the pyasn1 library, affecting applications that decode untrusted ASN.1 data. Specifically, CVE-2026-59884 allows for excessive CPU consumption due to improper size bounding of long-form tag identifiers. CVE-2026-59885 highlights quadratic processing time f...