Resource exhaustion in Iskorotkov Avro
CVE-2026-46385
iskorotkov/avro is a fast Go Avro codec. Prior to 2.33.0, the Avro array and map decoders looped over an attacker-controlled block-count value without checking the underlying reader's error state inside the loop body. Reader.ReadBlockHeade…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Iskorotkov Avro — versions < 2.33.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-46385?
- CVE-2026-46385 is a high-severity vulnerability in Iskorotkov Avro, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-05-29.
- How severe is CVE-2026-46385?
- High severity. CVSS v3 base score is 7.5 out of 10.