CVE-2026-2436

moderate-risk
Published 2026-03-26

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 handshake completes after the connection object has been freed, a dangling pointer is accessed, leading to a server crash and a Denial of Service.

Do I need to act?

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0.14% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / HIGH complexity

Affected Products (6)

Affected Vendors

Redhat Gnome

References (3)

Third Party Advisory https://access.redhat.com/security/cve/CVE-2026-2436
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2442909
Exploit https://gitlab.gnome.org/GNOME/libsoup/-/issues/501
34
/ 100
moderate-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 13/34 · Low