# com.fasterxml.jackson.dataformat:jackson-dataformat-cbor (Maven) vulnerabilities

2 known vulnerabilities (1 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://central.sonatype.com/artifact/com.fasterxml.jackson.dataformat/jackson-dataformat-cbor

## Advisories (2)

### [CVE-2026-106554](https://cve.now/CVE-2026-106554): jackson-dataformat-cbor: quadratic-time TagList growth on unbounded stacked tags (CPU/GC DoS, PoC)

- Severity: Medium
- Published: Nov 4, 2026
- Affected: from 2.15.0, fixed in 2.18.12; from 2.19.0, fixed in 2.21.8; from 2.22.0, fixed in 2.22.4.

### [CVE-2020-28491](https://cve.now/CVE-2020-28491): Denial of Service (DoS)

- Severity: High 7.5
- Published: Feb 18, 2021
- Affected: from 2.8.0rc1, fixed in 2.11.4; from 2.12.0rc1, fixed in 2.12.1.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/maven/com.fasterxml.jackson.dataformat:jackson-dataformat-cbor
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.