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NVD description
A flaw was found in rsyslog. An unauthenticated remote attacker can trigger a heap buffer overflow in the RainerScript `replace()` function by sending specially crafted syslog messages. This vulnerability arises from an incorrect buffer size calculation during string replacement, causing memory corruption. Successful exploitation can lead to a denial of service (DoS) for the affected system.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
#IBMAIX ■ Security Bulletin: A heap buffer overflow vulnerability in rsyslog impacts AIX. https://www.ibm.com/support/pages/node/7291353 > Summary > Vulnerabilities in Rsyslog could cause heap buffer overflow (CVE-2026-78002). Rsyslog is used by AIX as logging daemon.