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CVE-2022-43281

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt:...

7.8 HighFix available

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

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
High
Integrity
High
Availability
High

Exploit likelihood

0.34%Down 0.5 points since Oct 29, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
CVE-2022-43281
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
CVE List 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
CVE-2022-43281
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
EUVDEUVD-2022-46325 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
EUVD-2022-46325
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-hqh5-6prg-8mfv 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt:...

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
GHSA-hqh5-6prg-8mfv
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
CVE-2022-43281
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2022-43281 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
DEBIAN-CVE-2022-43281
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSVPYSEC-2022-43187 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
PYSEC-2022-43187
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2022-43281 7.8

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocatorwabt::Type>::size() at /bits/stl_vector.h.

Record
UBUNTU-CVE-2022-43281
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wabt
Debian:12
 before 1.0.30-1
1.0.30-1
wabt
Debian:13
 before 1.0.30-1
1.0.30-1
wabt
Debian:14
 before 1.0.30-1
1.0.30-1
wabt
PyPI
 through 1.0.29, 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

History

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

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

In short

CVE-2022-43281 is a high vulnerability (CVSS 7.8) in Webassembly Wasm, published October 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in wabt 1.0.30-1.

References

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