SB2025062630 - Multiple vulnerabilities in Python 

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Main Vulnerability Database SB2025062630

SB2025062630 - Multiple vulnerabilities in Python

Published: June 26, 2025 Updated: June 28, 2025

Security Bulletin ID SB2025062630
Severity
High
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 33% Low 17%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Path traversal (CVE-ID: CVE-2025-4517)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to input validation error in the tarfile module when extracting files from an archive with filter="data". A remote attacker can pass specially crafted archive to the application and write files to arbitrary locations on the system outside the extraction directory.


2) Link following (CVE-ID: CVE-2025-4330)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an insecure link following issue when extracting data from an archive in the tarfile module. A remote attacker can pass a specially crafted archive to the application and overwrite arbitrary files outside the destination directory.


3) Link following (CVE-ID: CVE-2025-4138)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an insecure link following issue when extracting data from an archive in the tarfile module. A remote attacker can pass a specially crafted archive to the application and overwrite arbitrary files outside the destination directory during extraction with filter="data"..


4) Path traversal (CVE-ID: CVE-2024-12718)

The vulnerability allows a remote attacker to modify arbitrary files on the system.

The vulnerability exists due to input validation error in the tarfile module. A remote attacker can pass a specially crafted archive to the application and modify some file metadata (e.g. last modified) with filter="data" or file permissions (chmod) with filter="tar" of files outside the extraction directory.


5) Expected behavior violation (CVE-ID: CVE-2025-4435)

The vulnerability allows a remote attacker to change expected behavior. 

The vulnerability exists due to an error when using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior. A remote attacker can force the application to extract files that were meant to be skipped. 


6) Use-after-free (CVE-ID: CVE-2025-4516)

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

The vulnerability exists due to a use-after-free error when using the bytes.decode("unicode_escape", error="ignore|replace") function call. A remote attacker can pass a specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References