CVE-2026-58014: Off-by-one Error in GNOME GLib
A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds access crosses a page boundary.
AI Analysis
Technical Summary
CVE-2026-58014 is a vulnerability in GLib where an off-by-one error occurs in the g_key_file_get_locale_string_list function within gkeyfile.c. This flaw triggers when loading a key file containing an empty value, potentially causing a one-byte out-of-bounds memory access. If this access crosses a page boundary, it can lead to a denial of service. The vulnerability is present in Red Hat Enterprise Linux 10. No explicit patch or remediation level is provided in the advisory, and no known exploits are reported in the wild.
Potential Impact
The vulnerability can lead to a denial of service condition due to out-of-bounds memory access, and it may also impact confidentiality and integrity to a limited extent as indicated by the CVSS vector (C:L/I:L/A:L). There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-58014 for current remediation guidance. No official fix or workaround is explicitly stated in the provided advisory content.
CVE-2026-58014: Off-by-one Error in GNOME GLib
Description
A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds access crosses a page boundary.
CVSS v3.1
Score 7.3high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58014 is a vulnerability in GLib where an off-by-one error occurs in the g_key_file_get_locale_string_list function within gkeyfile.c. This flaw triggers when loading a key file containing an empty value, potentially causing a one-byte out-of-bounds memory access. If this access crosses a page boundary, it can lead to a denial of service. The vulnerability is present in Red Hat Enterprise Linux 10. No explicit patch or remediation level is provided in the advisory, and no known exploits are reported in the wild.
Potential Impact
The vulnerability can lead to a denial of service condition due to out-of-bounds memory access, and it may also impact confidentiality and integrity to a limited extent as indicated by the CVSS vector (C:L/I:L/A:L). There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-58014 for current remediation guidance. No official fix or workaround is explicitly stated in the provided advisory content.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-06-26T20:59:47.856Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-58014","vendor":"Red Hat"}]
Threat ID: 6a43c34927e9c79719d5bd65
Added to database: 06/30/2026, 13:23:21 UTC
Last enriched: 06/30/2026, 13:36:48 UTC
Last updated: 07/01/2026, 00:21:45 UTC
Views: 6
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