plugins/gtk+/glade-gtk-box.c in GNOME Glade before 3.38.1 and 3.39.x before 3.40.0 mishandles widget rebuilding for GladeGtkBox, leading to a denial of service (application crash).
Conclusion & alert: CVE-2020-36774 is rated Low Risk (26.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.21%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.04% | 0.21% | +0.17% |
| 2 | 2024-02-19 | — | 0.04% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2020-36774 not yet assigned priority: Debian including 1 source packages (glade), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2020-36774 |
gentoo
|
normal | CVE-2020-36774: 1 GLSA(s) (202402-27), 1 atom(s) (dev-util/glade); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-36774 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2020-36774 |
suse
|
medium | CVE-2020-36774 severity moderate: SUSE including 18 source package names (glade, glade-3.20.0-7.3.1, …), 51 product×package rows across 11 product lines (SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS, SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, … (11 product lines)): Known Not Affected 38, Fixed 13. | https://www.suse.com/security/cve/CVE-2020-36774/ |
ubuntu
|
medium | CVE-2020-36774 medium priority: Ubuntu including 1 source packages (glade), 11 status rows across 11 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 5, needs-triage 3, DNE 1, ignored 1, released 1. | https://ubuntu.com/security/CVE-2020-36774 |