CVE-2019-7702 Null dereference in n/a
A crafted WebAssembly input triggers a null pointer dereference in Binaryen, causing a segmentation fault and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-7702?
CVE-2019-7702 is a medium-severity vulnerability in n/a, published on 10 Feb 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-476
Which versions are affected by CVE-2019-7702?
It affects 1 product.
Products include Webassembly Binaryen.
How do I fix CVE-2019-7702?
Upgrade to a fixed version.
Is CVE-2019-7702 being exploited?
There is no known exploitation of CVE-2019-7702 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-7702, GHSA-hmpj-jpgg-crxm.