6.5med
CVE-2019-7702
A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression in wasm-s-parser.cpp in Binaryen 1.38.22.
Published 7 y ago · modified 4 mo ago · JSON
CVSS
6.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.1%
percentile 67%
Public exploits
0
none known
Summary
A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
Exploit prediction (EPSS)
1.15% probability of exploitation in the next 30 days, higher than 67% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-476 NULL Pointer Dereference
References
- github.com /WebAssembly/binaryen/issues/1867 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2019-7702
- NVD: CVE-2019-7702
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