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SUSE Ruby 2.5 Vital Denial of Service Buffer Overflow 1066-1 CVE 2024 49761

suse
Calendar Grey March 26, 2026
Dist Suse Esm H88
An important security update for ruby2.5 fixes three vulnerabilities, enhancing system protection against threats.
An update that solves three vulnerabilities and has one security fix can now be installed.

Summary

## This update for ruby2.5 fixes the following issues: * CVE-2024-49761: ReDoS vulnerability in REXML gem (bsc#1232440 bsc#1232441). * CVE-2025-58767: denial of service when parsing XML containing multiple XML declarations (bsc#1250016). * CVE-2026-27820: insufficient checks in `zstream_buffer_ungets` can lead to a buffer overflow (bsc#1259239). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1066=1 ## Package List: * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64) * ruby2.5-debuginfo-2.5.9-150700.24.6.1 * ruby2.5-2.5.9-150700.24.6.1

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow SuSE important ruby

References

* bsc#1232440

* bsc#1232441

* bsc#1250016

* bsc#1259239

Cross-

* CVE-2024-49761

* CVE-2025-58767

* CVE-2026-27820

CVSS scores:

* CVE-2024-49761 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-49761 ( NVD ): 6.6

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2024-49761 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-58767 ( SUSE ): 5.1

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

* CVE-2025-58767 ( SUSE ): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-58767 ( NVD ): 1.2

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1066-1
Release Date: 2026-03-26T10:38:47Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow SuSE important ruby

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