CVE-2026-2436
Libsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake
CVSS Score
6.5
EPSS Score
0.1%
EPSS Percentile
27th
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.
| CWE | CWE-825 |
| Vendor | red hat |
| Product | red hat enterprise linux 10 |
| Published | Mar 26, 2026 |
| Last Updated | Mar 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected References
Credits
Red Hat would like to thank Ilya Rozentsvaig for reporting this issue.