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CVE-2026-58014— Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list"

Quick assessment

Affected
GNOME GLib
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNOME glib是GNOME基金会开源的一个通用的、可移植的实用程序库。提供了许多有用的数据类型、宏、类型转换、字符串实用程序、文件实用程序、主循环抽象等。 GNOME glib 2.88.1之前版本存在数字错误漏洞，该漏洞源于gkeyfile.c文件中g_key_file_get_locale_string_list函数存在差一错误，导致加载空值键文件时可能发生1字节越界访问或在越界访问跨越页边界时造成拒绝服务。

CVSS 7.3 · High EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 11

VendorProduct Version RangeStatus
GNOME GLib < 2.88.1 affected
Red Hat Red Hat Enterprise Linux 10 0:2.80.4-12.el10_2.21< * unaffected
any affected
Red Hat Red Hat Enterprise Linux 6 any affected
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 0:2.70.1-9.el8_10< * unaffected
any affected
Red Hat Red Hat Enterprise Linux 9 0:2.68.4-19.el9_8.9< * unaffected
0:2.68.4-19.el9_8.9< * unaffected
any affected
Red Hat Red Hat Hardened Images any unaffected
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I. Basic Information for CVE-2026-58014

Vulnerability Information
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Vulnerability Title
Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list"
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
Source: CVE Program / CVE List V5
Vulnerability Title
GNOME glib 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNOME glib是GNOME基金会开源的一个通用的、可移植的实用程序库。提供了许多有用的数据类型、宏、类型转换、字符串实用程序、文件实用程序、主循环抽象等。 GNOME glib 2.88.1之前版本存在数字错误漏洞，该漏洞源于gkeyfile.c文件中g_key_file_get_locale_string_list函数存在差一错误，导致加载空值键文件时可能发生1字节越界访问或在越界访问跨越页边界时造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GNOME GLib 0 ~ 2.88.1 -
Red Hat Red Hat Enterprise Linux 10 0:2.80.4-12.el10_2.21 ~ * cpe:/o:redhat:enterprise_linux:10.2
Red Hat Red Hat Enterprise Linux 8 0:2.70.1-9.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 9 0:2.68.4-19.el9_8.9 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:2.68.4-19.el9_8.9 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat Hardened Images - cpe:/a:redhat:hummingbird:1

II. Public POCs for CVE-2026-58014

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III. Intelligence Information for CVE-2026-58014

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Vendor Advisories for CVE-2026-58014 (6)

Same Patch Batch · GNOME · 2026-06-30 · 7 CVEs total

CVE-2026-58016 7.5 HIGH Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"
CVE-2026-58011 6.5 MEDIUM Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime
CVE-2026-58013 6.5 MEDIUM Glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend"
CVE-2026-58012 6.5 MEDIUM Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_n
CVE-2026-58010 6.5 MEDIUM Glib: buffer over-read in glib/gvariant-serialiser.c via gvs_tuple_is_normal()
CVE-2026-58015 5.9 MEDIUM Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mec

IV. Related Vulnerabilities

Same product: GLib
Same vendor: GNOME
Same weakness: CWE-193

V. Comments for CVE-2026-58014

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