UBUNTU-CVE-2020-18378

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2020-18378
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18378.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-18378
Upstream
Published
2023-08-22T19:15:00Z
Modified
2025-07-14T07:00:22.141888Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:20.04:LTS / binaryen

Package

Name
binaryen
Purl
pkg:deb/ubuntu/binaryen@91-1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

Other

89-1
90-1
91-1

Ubuntu:22.04:LTS / binaryen

Package

Name
binaryen
Purl
pkg:deb/ubuntu/binaryen@105-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

Other

99-3
105-1

Ubuntu:24.04:LTS / binaryen

Package

Name
binaryen
Purl
pkg:deb/ubuntu/binaryen@108-1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

Other

108-1

Ubuntu:25.04 / binaryen

Package

Name
binaryen
Purl
pkg:deb/ubuntu/binaryen@120-3?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

Other

108-1
120-3