YA
Product
yaml
by symfony · last CVE Jul 14, 2026
2
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 2Medium 0Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-45305
7.5
1%
Jul 14
Symfony: YAML Parser ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex
Affected: < 5.4.52; >= 6.0.0-BETA1, < 6.4.40; >= 7.0.0-BETA1, < 7.4.12; >= 8.0.0-BETA1, < 8.0.12
CVE-2026-45304
7.5
1%
Jul 14
Symfony: YAML Parser Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs")
Affected: < 5.4.52; >= 6.0.0-BETA1, < 6.4.40; >= 7.0.0-BETA1, < 7.4.12; >= 8.0.0-BETA1, < 8.0.12
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