SB2021031407 - Infinite loop in pygments

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021031407

SB2021031407 - Infinite loop in pygments

Published: March 14, 2021 Updated: March 30, 2021

Security Bulletin ID SB2021031407
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Infinite loop (CVE-ID: CVE-2021-20270)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop. A remote attacker can consume all available system resources and cause denial of service conditions.


2) Resource management error (CVE-ID: CVE-2021-27291)

The vulnerability allows a remote attacker to perform a denial of service (ReDoS) attack.

The vulnerability exists due to improper management of internal resources within the application. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDoS) attack.


Remediation

Install update from vendor's website.

References