Servers and applications
GHSA-hwfg-qwvh-2wfx
Exponential and Quadratic Parse Times in the YAML Parser Let a Single Document Hold a Process
- Severity
- High 8.7
- Published
- 4 Nov 2026
- Last changed
- 4 Nov 2026
- Added to UpHeron
- 4 Nov 2026
- Fixed in
- 5.4.56, 6.4.50, 7.4.23, 8.1.11
- Sources
- Project advisories (GitHub)
Affected software
| Software | Affected versions |
|---|---|
SymfonyServers and applications · github:symfony/symfony |
|
References
- GitHub Advisory Database https://github.com/advisories/GHSA-hwfg-qwvh-2wfx
- github.com https://github.com/symfony/symfony/security/advisories/GHSA-hwfg-qwvh-2wfx