SB2025090330 - Ubuntu update for protobuf

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Main Vulnerability Database SB2025090330

SB2025090330 - Ubuntu update for protobuf

Published: September 3, 2025

Security Bulletin ID SB2025090330
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) Uncontrolled Recursion (CVE-ID: CVE-2025-4565)

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

the vulnerability exists due to uncontrolled recursion when parsing untrusted data containing an arbitrary number of recursive groups, recursive messages or a series of SGROUP tags. A remote attacker send specially crafted input to the application and can perform a denial of service attack. 


2) Uncontrolled Recursion (CVE-ID: CVE-2024-7254)

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

The vulnerability exists due to improper input validation when parsing nested groups as unknown fields with DiscardUnknownFieldsParser or Java Protobuf Lite parser, or against Protobuf map fields. A remote attacker can pass specially crafted input to the application to create unbounded recursions and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References