THREAT OPS › Threat News › [NVD] CVE-2026-78002 (HIGH 7.5) — 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,
[NVD] CVE-2026-78002 (HIGH 7.5) — 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,
CVE-2026-78002 CVSS: 7.5 HIGH Published: 2026-08-27T17:20:29.367
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 ca
Indicators of compromise
- CVE-2026-78002cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-78002
Same event, other sources
- CVE-2026-78002: rsyslog RainerScript replace() heap buffer overflowoss_sec · 2026-08-29