{"id":"CVE-2023-32643","title":"A flaw was found in GLib","summary":"A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who fo…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","cwe":["CWE-122","CWE-787"],"vendor":"gnome","product":"glib","affected":["glib < 2.75.1"],"patched":["glib 2.75.1"],"published":"2023-09-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T00:16:32.663","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-32643","references":[{"url":"https://gitlab.gnome.org/GNOME/glib/-/issues/2840","label":"secalert@redhat.com"},{"url":"https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20240426-0005/","label":"secalert@redhat.com"},{"url":"https://gitlab.gnome.org/GNOME/glib/-/issues/2840","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20240426-0005/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00365,"epssPercentile":0.28637,"ingestedAt":"2026-10-15T01:08:04.206Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-05-14T17:30:47.183666Z"},"slug":"CVE-2023-32643","body":"## Overview\n\nA flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.\n\n## Affected\n\n- `glib < 2.75.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `glib 2.75.1`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}