SB2026083029 - openEuler 24.03 LTS SP3 update for ruby



SB2026083029 - openEuler 24.03 LTS SP3 update for ruby

Published: August 30, 2026

Security Bulletin ID SB2026083029
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2025-24294)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: 8.7 [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]


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

The vulnerability exists due to application does not properly control consumption of internal resources when handling DNS packets. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2026-27820)

CWE-ID: CWE-120 - Buffer overflow

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause memory corruption.

The vulnerability exists due to buffer overflow in zstream_buffer_ungets() function when parsing input within the Zlib::GzipReader. A remote attacker can provide crafted input that causes the buffer length to exceed its capacity to cause memory corruption.

User interaction is required.


Remediation

Install update from vendor's website.