SB20251015159 - Cisco Secure Firewall Threat Defense update for Snort

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Main Vulnerability Database SB20251015159

SB20251015159 - Cisco Secure Firewall Threat Defense update for Snort

Published: October 15, 2025

Security Bulletin ID SB20251015159
CSH 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 vulnerabilities.


1) Buffer under-read (CVE-ID: CVE-2025-20359)

CWE-ID: CWE-127 - Buffer Under-read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a boundary error within the HTTP decoder when handling MIME fields. A remote attacker can send specially crafted HTTP packets through the channel that is monitored by the application and perform a denial of service (DoS) attack.


2) Buffer Access with Incorrect Length Value (CVE-ID: CVE-2025-20360)

CWE-ID: CWE-805 - Buffer Access with Incorrect Length Value

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a boundary error within the HTTP decoder when handling MIME fields. A remote attacker can send specially crafted HTTP packets through the channel that is monitored by the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References