CVE-2022-43283
CVE-2022-43283 is a medium-severity vulnerability in Webassembly Wabt with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (20th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Webassembly Wabt
- Published:
- Last modified:
Description
wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.
Frequently asked questions
- What is CVE-2022-43283?
- wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.
- How severe is CVE-2022-43283?
- CVE-2022-43283 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-43283 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-43283?
- CVE-2022-43283 affects Webassembly Wabt. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-43283?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-43283 published?
- CVE-2022-43283 was published on 2022-10-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:webassembly:wabt:1.0.29:*:*:*:*:*:*:*
More vulnerabilities in Webassembly Wabt
- CVE-2022-43282 — High (CVSS 7.1): wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component…
- CVE-2022-43280 — High (CVSS 7.1): wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component…
- CVE-2025-2368 — Medium (CVSS 6.3): A vulnerability was found in WebAssembly wabt 1.0.36 and classified as critical. This issue affects the function…
- CVE-2023-27119 — Medium (CVSS 5.5): WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::Decompiler::WrapChild.
- CVE-2025-15412 — Medium (CVSS 5.3): A security vulnerability has been detected in WebAssembly wabt up to 1.0.39. This issue affects the function…
- CVE-2025-15411 — Medium (CVSS 5.3): A weakness has been identified in WebAssembly wabt up to 1.0.39. This vulnerability affects the function…
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