CVE-2020-18378

EUVD-2020-10302
A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA-ADPADP
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 28%
Affected Products (NVD)
VendorProductVersion
webassemblybinaryen
1.38.26
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
binaryen
bookworm
108-1
fixed
bullseye
99-3
fixed
sid
108-1
fixed
trixie
108-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
binaryen
bionic
ignored
focal
needs-triage
jammy
needs-triage
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
ignored
xenial
ignored
Common Weakness Enumeration
References
https://github.com/WebAssembly/binaryen/issues/1900
https://github.com/WebAssembly/binaryen/issues/1900