{"apiVersion":"1.0","identifier":"CVE-2026-78002","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.","publishedAt":"2026-08-27T17:20:29","lastModifiedAt":"2026-08-27T20:18:40","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78002","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","epssProbability":0.00606,"riskScore":0.79,"affectedProduct":"rsyslog","affectedVersions":"unknown","vulnerabilityType":"Critical software","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-78002","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-78002","en":"https://www.redsauce.net/en/cves/CVE-2026-78002","fr":"https://www.redsauce.net/fr/cves/CVE-2026-78002","pt":"https://www.redsauce.net/pt/cves/CVE-2026-78002","de":"https://www.redsauce.net/de/cves/CVE-2026-78002","sk":"https://www.redsauce.net/sk/cves/CVE-2026-78002","el":"https://www.redsauce.net/el/cves/CVE-2026-78002"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-78002"}}