yaml
symfony- Product type
- Other
- Catalog vulnerabilities
- 2
Severity across 2 analyzed records
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As of 09/13/2026, within CyStack's analyzed data, yaml has 2 security vulnerabilities published in the last 90 days. Of these, 2 are rated High or Critical. None of these vulnerabilities is listed in the CISA KEV catalog. CyStack recommends that organizations and individual users remediate applicable vulnerabilities as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of yaml and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
Explore CyStack VulnScan| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-45305Symfony: YAML Parser ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex | Exploitation statusNot known exploited | FixYes | Published07/14/2026 | SeverityHigh |
CVE-2026-45304Symfony: YAML Parser Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs") | Exploitation statusNot known exploited | FixYes | Published07/14/2026 | SeverityHigh |