SB2026052022 - Red Hat Enterprise Linux 8 update for glib2
Published: May 20, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2025-14087)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the bytestring_parse() and string_parse() functions of the GVariant parser when processing maliciously crafted input strings. A remote attacker can pass specially crafted input to the application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Integer overflow (CVE-ID: CVE-2025-14512)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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 attack.
The vulnerability exists due to integer overflow within the GLib's GIO escape_byte_string() function when processing a malicious file or remote filesystem attribute values. A remote attacker can trick the victim into opening a specially crafted file, trigger an integer overflow and perform a denial of service attack.
Remediation
Install update from vendor's website.