CVE-2026-78002
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.
Zwakheid
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.
Bronnen
- https://access.redhat.com/errata/RHSA-2026:69540
- https://access.redhat.com/errata/RHSA-2026:69541
- https://access.redhat.com/security/cve/CVE-2026-78002
- https://bugzilla.redhat.com/show_bug.cgi?id=2521135
- https://github.com/rsyslog/rsyslog/security/advisories/GHSA-g72f-gc6v-f2w3
- http://www.openwall.com/lists/oss-security/2026/08/29/1
Vind de bug voordat een aanvaller dat doet.
Log in met GitHub en start je eerste audit binnen een minuut. Voor het gratis abonnement is geen creditcard nodig.