Description
Grav before 2.0.1 contains a decompression bomb vulnerability in ZipArchiver::extract() that lacks limits on uncompressed size, file count, and nesting depth. Attackers can supply a crafted ZIP archive that expands to fill available disk space, causing denial of service by exhausting storage resources.
Severity (CVSS)
| Base score | 7.1 |
|---|---|
| Severity | High |
| Version | CVSS 4.0 |
| Vector | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| Provided by | CNA |
Weaknesses
- CWE-409 — Improper Handling of Highly Compressed Data (Data Amplification)
Affected products
| Vendor | Product | Versions |
|---|---|---|
| getgrav | grav | 0 to <2.0.1; 2.0.1 |
References
- https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56 (vendor-advisory)
- https://www.vulncheck.com/advisories/grav-before-decompression-bomb-via-ziparchiver (third-party-advisory)
Generated from the official CVE List on 11 Jul 2026 07:02 UTC.