CVE-2019-3804

7.5 highEPSS 4.9%

High (7.5). EPSS 4.9% chance of exploitation in the next 30 days.

It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack. An unauthenticated attacker could send a specially crafted request with an invalid base64-encoded cookie which could cause the web service to crash.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 4.9% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-909
Published: 2019-03-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cockpit-project:cockpit
fedoraproject:fedora
redhat:virtualization

References

https://access.redhat.com/errata/RHSA-2019:1569
https://access.redhat.com/errata/RHSA-2019:1571
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3804
https://github.com/cockpit-project/cockpit/commit/c51f6177576d7e12
https://github.com/cockpit-project/cockpit/pull/10819

Check your stack JSON