- Description
- Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream detection threshold, to avoid the compression bomb check entirely. This is TROVE-2026-022.
- Source
- cve@mitre.org
- NVD status
- Analyzed
- Products
- tor
CVSS 3.1
- Type
- Secondary
- Base score
- 5.3
- Impact score
- 1.4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Severity
- MEDIUM
- cve@mitre.org
- CWE-420
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F8FF755D-D472-48A8-9F10-F64B625DD9C3",
"versionEndExcluding": "0.4.9.9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]