HIGHVulnerability
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.
Properties
- severity
- HIGH
- score
- 7.5
- epss_score
- 0.00612
- cve_id
- CVE-2026-78002
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- published_at
- 2026-08-27T17:20:29.367
- last_modified
- 2026-09-04T09:17:11.097
- epss_percentile
- 0.47116
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Incorrect Calculation of Buffer Size
DESCRIBED_BY (1)
→[Source]NVD
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