{"id":"DEBIAN-CVE-2025-4373","details":"A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.","modified":"2026-09-22T08:47:30.000427918Z","published":"2025-05-06T15:16:05.320Z","upstream":["CVE-2025-4373"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-4373"}],"affected":[{"package":{"name":"glib2.0","ecosystem":"Debian:12","purl":"pkg:deb/debian/glib2.0?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.74.6-2+deb12u7"}]}],"versions":["2.74.6-2","2.74.6-2+deb12u1","2.74.6-2+deb12u2","2.74.6-2+deb12u3","2.74.6-2+deb12u4","2.74.6-2+deb12u5","2.74.6-2+deb12u6"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-4373.json"}},{"package":{"name":"glib2.0","ecosystem":"Debian:13","purl":"pkg:deb/debian/glib2.0?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.84.1-3"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-4373.json"}},{"package":{"name":"glib2.0","ecosystem":"Debian:14","purl":"pkg:deb/debian/glib2.0?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.84.1-3"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-4373.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L"}]}