CVE-2023-46331

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which...

5.5 Medium

CVE-2023-46331 is a medium vulnerability (CVSS 5.5) in Webassembly Binary Toolkit, published October 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.22%Up 0.2 points since Oct 24, 2023

What each source reports

NVD Score used 5.5

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: CVE-2023-46331
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: CVE-2023-46331
Updated: 2026-11-02

EUVDEUVD-2023-50551 No score

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: EUVD-2023-50551
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p567-4mpc-fq6p 5.5

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which...

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: GHSA-p567-4mpc-fq6p
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-46331 5.5

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: DEBIAN-CVE-2023-46331
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVPYSEC-2023-319 5.5

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: PYSEC-2023-319
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-46331 5.5

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: UBUNTU-CVE-2023-46331
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV No score

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Record: CVE-2023-46331
Updated: 2026-11-02

Affected products

webassembly binary toolkit

Affected packages

Affected packages
Package	Affected	Fixed
`wabt` Debian:12	All versions, plus listed versions 1.0.32-11.0.33-11.0.34+dsfg+~cs1.0.32-11.0.34+dsfg2+~cs1.0.32-11.0.34+dsfg2+~cs1.0.32-2 Show 9 moreShow less 1.0.34+dsfg2+~cs1.0.32-31.0.34+dsfg2+~cs1.0.32-41.0.34-11.0.36+dfsg+~cs1.0.36-11.0.36+dfsg+~cs1.0.36-21.0.41+dfsg+~cs1.0.39-11.0.41+dfsg+~cs1.0.39-21.0.42+dfsg+~cs1.0.39-11.0.42+dfsg+~cs1.0.39-2	None known
`wabt` Debian:13	All versions, plus listed versions 1.0.36+dfsg+~cs1.0.36-21.0.41+dfsg+~cs1.0.39-11.0.41+dfsg+~cs1.0.39-21.0.42+dfsg+~cs1.0.39-11.0.42+dfsg+~cs1.0.39-2	None known
`wabt` Debian:14	All versions, plus listed versions 1.0.36+dfsg+~cs1.0.36-21.0.41+dfsg+~cs1.0.39-11.0.41+dfsg+~cs1.0.39-21.0.42+dfsg+~cs1.0.39-11.0.42+dfsg+~cs1.0.39-2	None known
`wabt` PyPI	through 1.0.33, plus listed versions 0.10.1.10.1.2	None known
`wabt` Ubuntu:20.04:LTS	All versions, plus listed versions 1.0.11-11.0.12-11.0.13-11.0.13-1build1	None known
`wabt` Ubuntu:22.04:LTS	All versions, plus listed versions 1.0.20-11.0.24-11.0.24-21.0.25-11.0.26-11.0.27-1	None known
`wabt` Ubuntu:24.04:LTS	All versions, plus listed versions 1.0.33-11.0.34-11.0.34+dsfg2+~cs1.0.32-1ubuntu11.0.34+dsfg2+~cs1.0.32-1ubuntu2	None known
`wabt` Ubuntu:25.10	All versions, plus listed versions 1.0.34+dsfg2+~cs1.0.32-1ubuntu21.0.36+dfsg+~cs1.0.36-2ubuntu1	None known
`wabt` Ubuntu:26.10	All versions, plus listed versions 1.0.36+dfsg+~cs1.0.36-2ubuntu11.0.36+dfsg+~cs1.0.36-2ubuntu4	None known
`wabt` Ubuntu:26.04:LTS	All versions, plus listed versions 1.0.36+dfsg+~cs1.0.36-2ubuntu1	None known

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

References