CVE-2026-103262
HIGH
8,7
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Description
AI Translation Available
Tornado versions before 6.5.9 contain an unbounded memory accumulation vulnerability in CurlAsyncHTTPClient that allows remote attackers to cause denial of service by sending a compressed response. Attackers can send a gzip-encoded decompression bomb that accumulates in memory without size limits, causing the application process to be killed by out-of-memory conditions.
409
Improper Handling of Highly Compressed Data (Data Amplification)
IncompleteCommon Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Amplification
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Applicable Platforms
All platforms may be affected
https://github.com/tornadoweb/tornado/commit/e412435febba4569c552c5c9054f1bf92b…
https://github.com/tornadoweb/tornado/security/advisories/GHSA-chx6-46f5-w4vp
https://www.vulncheck.com/advisories/tornado-before-6.5.9-denial-of-service-via…