Resource exhaustion in Webassembly Binaryen
CVE-2019-7704
wasm::WasmBinaryBuilder::readUserSection in wasm-binary.cpp in Binaryen 1.38.22 triggers an attempt at excessive memory allocation, as demonstrated by wasm-merge and wasm-opt.
EPSS: 0.012 (63.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Webassembly Binaryen
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-7704?
- CVE-2019-7704 is a medium-severity vulnerability in Webassembly Binaryen, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2019-02-10.
- How severe is CVE-2019-7704?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-7704 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.