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CVE-2023-31669

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@'...

5.5 MediumFix available

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

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

0.28%Up 0.2 points since May 24, 2023
90%50%10%1%

What each source reports

NVD Score used 5.5

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Record
CVE-2023-31669
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-116
Updated
2026-11-02
CVE List 5.5

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Record
CVE-2023-31669
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-116
Updated
2026-11-02
EUVDEUVD-2023-35964 5.5

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Record
EUVD-2023-35964
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
2026-11-03
GitHub AdvisoriesGHSA-24pv-x5f7-pv4r 5.5

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@'...

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Record
GHSA-24pv-x5f7-pv4r
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-116
Updated
2026-11-02
OSV 5.5

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Record
CVE-2023-31669
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
OSVDEBIAN-CVE-2023-31669 5.5

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Record
DEBIAN-CVE-2023-31669
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-2023-31669 5.5

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

Record
UBUNTU-CVE-2023-31669
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

Affected products

Affected packages

Affected packages
PackageAffectedFixed
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
 before 1.0.33-1
1.0.33-1
wabt
Debian:14
 before 1.0.33-1
1.0.33-1
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

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-31669 is a medium vulnerability (CVSS 5.5) in Webassembly Binary Toolkit, published May 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 21st percentile. Fixed in wabt 1.0.33-1.

References

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