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CVE-2026-2436
March 26, 2026
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.
Affected Packages
https://github.com/GNOME/libsoup.git (GITHUB):
Affected version(s) >=gnome-2-12-base <3.6.6
Fix Suggestion:
Update to version 3.6.6
https://github.com/GNOME/libsoup.git (GITHUB):
Affected version(s) >=gnome-2-12-base <3.6.6
Fix Suggestion:
Update to version 3.6.6
https://github.com/GNOME/libsoup.git (GITHUB):
Affected version(s) >=gnome-2-12-base <3.6.6
Fix Suggestion:
Update to version 3.6.6
https://github.com/GNOME/libsoup.git (GITHUB):
Affected version(s) >=gnome-2-12-base <3.6.6
Fix Suggestion:
Update to version 3.6.6
https://github.com/GNOME/libsoup.git (GITHUB):
Affected version(s) >=gnome-2-12-base <3.6.6
Fix Suggestion:
Update to version 3.6.6
https://github.com/GNOME/libsoup.git (GITHUB):
Affected version(s) >=gnome-2-12-base <3.6.6
Fix Suggestion:
Update to version 3.6.6
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CVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Expired Pointer Dereference
EPSS
Base Score:
0.10