high
CVE-2026-97689
urllib3 unbounded memory allocation - read_chunked/stream buffer an unterminated chunk-size line without a length bound, so a malicious server can exhaust the client process
- Severity
- high
- Affected product
- urllib3
- Affected versions
- urllib3 ≥ 1.10.3, < 2.8.0
- Fixed in
- urllib3 2.8.0
- Detection basis
- Component version range
- Shipped rule
- urllib3: urllib3 unbounded memory allocation - read_chunked/stream buffer an unterminated chunk-size line without a length bound, so a malicious server can exhaust the client process
- Added to NewScan
- 2026-09-30
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
COMPONENT VERSION RANGE
NewScan fingerprints urllib3 from its response and reports this CVE when the detected version falls inside the affected range below.
References
Scan for this yourself — local, in-band scanning is free.
Get NewScan (FREE) →Review the measured benchmark, then use the verified remediation process.