Security patches: DoS attacks on IBM App Connect Enterprise possible
IBM's integration software offering, App Connect Enterprise, is vulnerable. In recent versions, developers have closed a security gap.
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If attackers successfully exploit a vulnerability in IBM App Connect Enterprise, they can cause instances to crash. Versions equipped to handle this provide a remedy.
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As a warning message indicates, systems are vulnerable due to insufficient filtering of certain inputs. Consequently, attackers could exploit the vulnerability (CVE-2025-12758 "high") with specific inputs. This leads to memory errors, which typically result in crashes (DoS condition). So far, there are no indications that attackers are already exploiting the vulnerability. However, IBM advises admins to update promptly.
The developers assure that the security problem has been resolved in versions IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.21 and IBM App Connect Enterprise v13- Fix Pack Release 13.0.5.2.
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