What is CVE-2026-2436?

CVE-2026-2436 is a medium-severity vulnerability in Gnome Libsoup, classified under CWE-825. CVSS score: 6.5/10. Published 2026-03-26.

How severe is CVE-2026-2436?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Gnome Libsoup

CVE-2026-2436

A flaw was found in libsoup's SoupServer. A remote attacker could exploit a use-after-free vulnerability where the `soup_server_disconnect()` function frees connection objects prematurely, even if a TLS handshake is still pending. If the h…

EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Gnome Libsoup
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Redhat Enterprise_linux — versions 6.0, 7.0, 8.0

Weakness classification (CWE)

CWE-825

References

secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
secalert@redhat.com (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-2436?: CVE-2026-2436 is a medium-severity vulnerability in Gnome Libsoup, classified under CWE-825. CVSS score: 6.5/10. Published 2026-03-26.
How severe is CVE-2026-2436?: Medium severity. CVSS v3 base score is 6.5 out of 10.