SB2026022204 - Fedora 42 update for nextcloud

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Main Vulnerability Database SB2026022204

SB2026022204 - Fedora 42 update for nextcloud

Published: February 22, 2026

Security Bulletin ID SB2026022204
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Prototype pollution (CVE-ID: CVE-2025-13465)

The vulnerability allows a remote attacker to alter application's behavior. 

The vulnerability exists due to improper input validation within the in the _.unset and _.omit functions. A remote attacker can pass specially crafted input to the application and delete methods from global prototypes.


2) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-25639)

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

The vulnerability exists due to improper error handling within proto Key in mergeConfig. A remote attacker can send specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References