Summary
GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.
Security Fix(es):
* glib: GLib: Buffer underflow in GVariant parser leads to heap corruption (CVE-2025-14087)
* glib: buffer over-read in glib/gvariant-serialiser.c via gvs_tuple_is_normal() (CVE-2026-58010)
* glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid GDateTime (CVE-2026-58011)
* glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char() (CVE-2026-58012)
* glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend" (CVE-2026-58013)
* glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list" (CVE-2026-58014)
* glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive (CVE-2026-58015)
* glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml" (CVE-2026-58016)
Bug Fix(es) and Enhancement(s):
* [mingw-glib2] cause qga command 'guest-ssh-get-authorized-keys' failed (JIRA:Rocky Linux-151748)
* Rebase mingw-glib2 to 2.87.5 (JIRA:Rocky Linux-159874)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Rocky Linux 10 Release Notes linked from the References section.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 10 | mingw32-glib2 | 0:2.89.2-1.el10 |
| Rocky Linux · 10 | mingw32-glib2-debuginfo | 0:2.89.2-1.el10 |
| Rocky Linux · 10 | mingw32-glib2-static | 0:2.89.2-1.el10 |
| Rocky Linux · 10 | mingw64-glib2 | 0:2.89.2-1.el10 |
| Rocky Linux · 10 | mingw64-glib2-debuginfo | 0:2.89.2-1.el10 |
| Rocky Linux · 10 | mingw64-glib2-static | 0:2.89.2-1.el10 |
Vulnerabilities 8
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High 7.5
Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"
A flaw was found in GLib. A state confusion issue exists in g_dbus_node_info_new_for_xml() in the gio/gdbusintrospection.c file when processing malformed D-Bus introspection XML, specifically with a `node` element nested within other elements like `method`, `…
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High 7.3
Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list"
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…
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Medium 6.5
Glib: buffer over-read in glib/gvariant-serialiser.c via gvs_tuple_is_normal()
A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in the glib/gvariant-serialiser.c file when doing an alignment padding check because the bounds check uses > instead of >=, causing an out-of-bounds read of only 1 byt…
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Medium 6.5
Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime
A flaw was found in GLib. An out-of-bounds read of only 2 bytes can occur in the g_date_time_get_ymd function in the glib/gdatetime.c file when an invalid GDateTime object produced by the g_date_time_add_full function is processed. This flaw can corrupt the d…
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Medium 6.5
Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()
A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the `G_REGEX_RAW` compile flag and case-change replacement escapes because the string_append function processes matched substrings using UTF-8 functions that…
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Medium 6.5
Glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend"
A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() in the giochannel.c file when a custom line terminator with a length greater than one is set, causing memcmp to read past the GString buffer. This vulnerability can cau…
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Medium 5.9
Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive
A flaw was found in GLib. The D-Bus client-side implementation of the DBUS_COOKIE_SHA1 SASL authentication mechanism does not validate the cookie_context parameter received from the server. A malicious D-Bus server can supply a cookie_context containing path …
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Medium 5.6
Glib: glib: buffer underflow in gvariant parser leads to heap corruption
A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input stri…
References
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492256
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492245
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492248
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492257
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492247
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2419093
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492243
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492255
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advisory
https://access.redhat.com/errata/RHSA-2026:97163