How severe is CVE-2023-27119?

CVE-2023-27119 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-2023-27119 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-2023-27119?

CVE-2023-27119 affects Webassembly Wabt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27119?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-27119 published?

CVE-2023-27119 was published on 2023-03-10 and last updated on 2026-06-17.

CVE-2023-27119

CVE-2023-27119 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Webassembly Wabt
Published: 2023-03-10
Last modified: 2026-06-17

Description

WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::Decompiler::WrapChild.

Frequently asked questions

What is CVE-2023-27119?: WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::Decompiler::WrapChild.
How severe is CVE-2023-27119?: CVE-2023-27119 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-2023-27119 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-2023-27119?: CVE-2023-27119 affects Webassembly Wabt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27119?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27119 published?: CVE-2023-27119 was published on 2023-03-10 and last updated on 2026-06-17.

References

https://github.com/WebAssembly/wabt/issues/1990

Affected products (1)

cpe:2.3:a:webassembly:wabt:1.0.29:*:*:*:*:*:*:*

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