CVE-2025-4373
Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar
CVE-2025-4373 is fixed in 17 products on 1 platform, first by RHSA-2025:10855, released May 6, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.0
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0065
51st percentile
A flaw was found in GLib, which is vulnerable to an integer overflow in theg_string_insert_unichar() function. When the position at which to insertthe character is large, the position will overflow, leading to a bufferunderwrite.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-girepository-3.0 · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | gir1.2-girepository-3.0 2.80.0-6ubuntu3.4 | May 6, 2025 |
| gir1.2-girepository-3.0 · Ubuntu 24.10 (oracular) | 2.82.1-0ubuntu1.1 | gir1.2-girepository-3.0 2.82.1-0ubuntu1.1 | Jan 16, 2026 |
| gir1.2-girepository-3.0 · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | gir1.2-girepository-3.0 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
| gir1.2-glib-2.0 · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | gir1.2-glib-2.0 2.80.0-6ubuntu3.4 | May 6, 2025 |
| gir1.2-glib-2.0 · Ubuntu 24.10 (oracular) | 2.82.1-0ubuntu1.1 | gir1.2-glib-2.0 2.82.1-0ubuntu1.1 | Jan 16, 2026 |
| gir1.2-glib-2.0 · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | gir1.2-glib-2.0 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
| girepository-tools · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | girepository-tools 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
| glib2 · RHEL 10 | 2.80.4-4.el10_0.6 | RHSA-2025:10855 | May 6, 2025 |
| glib2 · RHEL 8 | 0:2.56.4-166.el8_10 | RHSA-2025:11327 | Jul 16, 2025 |
| glib2 · RHEL 9 | 0:2.68.4-16.el9_6.2 | RHSA-2025:11140 | Jul 15, 2025 |
| glib2 · almalinux 8 | 2.56.4-166.el8_10 | ALSA-2025:11327 | Jul 16, 2025 |
| glib2 · almalinux 9 | 2.68.4-16.el9_6.2 | ALSA-2025:11140 | Jul 15, 2025 |
| glib2 · ol 10 | 0:2.80.4-4.el10_0.6 | ELSA-2025-10855 | Jul 16, 2025 |
| glib2 · ol 8 | 0:2.56.4-166.el8_10 | ELSA-2025-11327 | Jul 16, 2025 |
| glib2 · ol 9 | 0:2.68.4-16.el9_6.2 | ELSA-2025-11140 | Jul 15, 2025 |
| glib2 · opensuse-leap 15.6 | 2.78.6-150600.4.16.1 | SUSE-SU-2025:02167-1 | Jun 30, 2025 |
| glib2 · rocky 10 | 0:2.80.4-4.el10_0.6 | RLSA-2025:10855 | Oct 3, 2025 |
| glib2 · rocky 8 | 0:2.56.4-166.el8_10 | RLSA-2025:11327 | Jul 29, 2025 |
| glib2 · rocky 9 | 0:2.68.4-16.el9_6.2 | RLSA-2025:11140 | Oct 4, 2025 |
| glib2 · sles 15.6 | 2.78.6-150600.4.16.1 | SUSE-SU-2025:02167-1 | Jun 30, 2025 |
| glib2 · sles 15.7 | 2.78.6-150600.4.16.1 | SUSE-SU-2025:02167-1 | Jun 30, 2025 |
| glib2-devel · RHEL 8 | 0:2.56.4-166.el8_10 | RHSA-2025:11327 | Jul 16, 2025 |
| glib2-devel · RHEL 9 | 0:2.68.4-16.el9_6.2 | RHSA-2025:11140 | Jul 15, 2025 |
| glib2-devel · almalinux 8 | 2.56.4-166.el8_10 | ALSA-2025:11327 | Jul 16, 2025 |
| glib2-devel · almalinux 9 | 2.68.4-16.el9_6.2 | ALSA-2025:11140 | Jul 15, 2025 |
| glib2-devel · ol 10 | 0:2.80.4-4.el10_0.6 | ELSA-2025-10855 | Jul 16, 2025 |
| glib2-devel · ol 8 | 0:2.56.4-166.el8_10 | ELSA-2025-11327 | Jul 16, 2025 |
| glib2-devel · ol 9 | 0:2.68.4-16.el9_6.2 | ELSA-2025-11140 | Jul 15, 2025 |
| glib2-doc · RHEL 8 | 0:2.56.4-166.el8_10 | RHSA-2025:11327 | Jul 16, 2025 |
| glib2-doc · RHEL 9 | 0:2.68.4-16.el9_6.2 | RHSA-2025:11140 | Jul 15, 2025 |
| glib2-doc · almalinux 8 | 2.56.4-166.el8_10 | ALSA-2025:11327 | Jul 16, 2025 |
| glib2-doc · almalinux 9 | 2.68.4-16.el9_6.2 | ALSA-2025:11140 | Jul 15, 2025 |
| glib2-doc · ol 10 | 0:2.80.4-4.el10_0.6 | ELSA-2025-10855 | Jul 16, 2025 |
| glib2-doc · ol 8 | 0:2.56.4-166.el8_10 | ELSA-2025-11327 | Jul 16, 2025 |
| glib2-doc · ol 9 | 0:2.68.4-16.el9_6.2 | ELSA-2025-11140 | Jul 15, 2025 |
| glib2-doc · opensuse-leap 15.6 | 2.78.6-150600.4.16.1 | SUSE-SU-2025:02167-1 | Jun 30, 2025 |
| glib2-fam · RHEL 8 | 0:2.56.4-166.el8_10 | RHSA-2025:11327 | Jul 16, 2025 |
| glib2-fam · almalinux 8 | 2.56.4-166.el8_10 | ALSA-2025:11327 | Jul 16, 2025 |
| glib2-fam · ol 8 | 0:2.56.4-166.el8_10 | ELSA-2025-11327 | Jul 16, 2025 |
| glib2-static · RHEL 8 | 0:2.56.4-166.el8_10 | RHSA-2025:11327 | Jul 16, 2025 |
| glib2-static · RHEL 9 | 0:2.68.4-16.el9_6.2 | RHSA-2025:11140 | Jul 15, 2025 |
| glib2-static · almalinux 8 | 2.56.4-166.el8_10 | ALSA-2025:11327 | Jul 16, 2025 |
| glib2-static · almalinux 9 | 2.68.4-16.el9_6.2 | ALSA-2025:11140 | Jul 15, 2025 |
| glib2-static · ol 10 | 0:2.80.4-4.el10_0.6 | ELSA-2025-10855 | Jul 16, 2025 |
| glib2-static · ol 8 | 0:2.56.4-166.el8_10 | ELSA-2025-11327 | Jul 16, 2025 |
| glib2-static · ol 9 | 0:2.68.4-16.el9_6.2 | ELSA-2025-11140 | Jul 15, 2025 |
| glib2-tests · RHEL 8 | 0:2.56.4-166.el8_10 | RHSA-2025:11327 | Jul 16, 2025 |
| glib2-tests · RHEL 9 | 0:2.68.4-16.el9_6.2 | RHSA-2025:11140 | Jul 15, 2025 |
| glib2-tests · almalinux 8 | 2.56.4-166.el8_10 | ALSA-2025:11327 | Jul 16, 2025 |
| glib2-tests · almalinux 9 | 2.68.4-16.el9_6.2 | ALSA-2025:11140 | Jul 15, 2025 |
| glib2-tests · ol 10 | 0:2.80.4-4.el10_0.6 | ELSA-2025-10855 | Jul 16, 2025 |
| glib2-tests · ol 8 | 0:2.56.4-166.el8_10 | ELSA-2025-11327 | Jul 16, 2025 |
| glib2-tests · ol 9 | 0:2.68.4-16.el9_6.2 | ELSA-2025-11140 | Jul 15, 2025 |
| glib2.0 · Debian 12.15 (bookworm) | 2.74.6-2+deb12u7 | DEBIAN-CVE-2025-4373 | May 6, 2025 |
| glib2.0 · Debian 13.5 (trixie) | 2.84.1-3 | DEBIAN-CVE-2025-4373 | May 6, 2025 |
| glib2.0 · Debian 14 | 2.84.1-3 | DEBIAN-CVE-2025-4373 | May 6, 2025 |
| libgirepository-2.0-0 · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | libgirepository-2.0-0 2.80.0-6ubuntu3.4 | May 6, 2025 |
| libgirepository-2.0-0 · Ubuntu 24.10 (oracular) | 2.82.1-0ubuntu1.1 | libgirepository-2.0-0 2.82.1-0ubuntu1.1 | Jan 16, 2026 |
| libgirepository-2.0-0 · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | libgirepository-2.0-0 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
| libglib2.0-0 · Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.9 | libglib2.0-0 2.64.6-1~ubuntu20.04.9 | May 6, 2025 |
| libglib2.0-0 · Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.5 | libglib2.0-0 2.72.4-0ubuntu2.5 | May 6, 2025 |
| libglib2.0-0t64 · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | libglib2.0-0t64 2.80.0-6ubuntu3.4 | May 6, 2025 |
| libglib2.0-0t64 · Ubuntu 24.10 (oracular) | 2.82.1-0ubuntu1.1 | libglib2.0-0t64 2.82.1-0ubuntu1.1 | Jan 16, 2026 |
| libglib2.0-0t64 · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | libglib2.0-0t64 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
| libglib2.0-bin · Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.9 | libglib2.0-bin 2.64.6-1~ubuntu20.04.9 | May 6, 2025 |
| libglib2.0-bin · Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.5 | libglib2.0-bin 2.72.4-0ubuntu2.5 | May 6, 2025 |
| libglib2.0-bin · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | libglib2.0-bin 2.80.0-6ubuntu3.4 | May 6, 2025 |
| libglib2.0-bin · Ubuntu 24.10 (oracular) | 2.82.1-0ubuntu1.1 | libglib2.0-bin 2.82.1-0ubuntu1.1 | Jan 16, 2026 |
| libglib2.0-bin · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | libglib2.0-bin 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
| libglib2.0-data · Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.9 | libglib2.0-data 2.64.6-1~ubuntu20.04.9 | May 6, 2025 |
| libglib2.0-data · Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.5 | libglib2.0-data 2.72.4-0ubuntu2.5 | May 6, 2025 |
| libglib2.0-data · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | libglib2.0-data 2.80.0-6ubuntu3.4 | May 6, 2025 |
| libglib2.0-data · Ubuntu 24.10 (oracular) | 2.82.1-0ubuntu1.1 | libglib2.0-data 2.82.1-0ubuntu1.1 | Jan 16, 2026 |
| libglib2.0-data · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | libglib2.0-data 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
| libglib2.0-dev-bin · Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.9 | libglib2.0-dev-bin 2.64.6-1~ubuntu20.04.9 | May 6, 2025 |
| libglib2.0-dev-bin · Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.5 | libglib2.0-dev-bin 2.72.4-0ubuntu2.5 | May 6, 2025 |
| libglib2.0-dev-bin · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | libglib2.0-dev-bin 2.80.0-6ubuntu3.4 | May 6, 2025 |
| libglib2.0-tests · Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.9 | libglib2.0-tests 2.64.6-1~ubuntu20.04.9 | May 6, 2025 |
| libglib2.0-tests · Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.5 | libglib2.0-tests 2.72.4-0ubuntu2.5 | May 6, 2025 |
| libglib2.0-tests · Ubuntu 24.04.5 LTS (noble) | 2.80.0-6ubuntu3.4 | libglib2.0-tests 2.80.0-6ubuntu3.4 | May 6, 2025 |
| libglib2.0-tests · Ubuntu 24.10 (oracular) | 2.82.1-0ubuntu1.1 | libglib2.0-tests 2.82.1-0ubuntu1.1 | Jan 16, 2026 |
| libglib2.0-tests · Ubuntu 25.04 (plucky) | 2.84.1-1ubuntu0.1 | libglib2.0-tests 2.84.1-1ubuntu0.1 | Jan 16, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.