CVE-2023-27119

FAUCET Score

CVE-2023-27119 describes a segmentation fault vulnerability in WebAssembly v1.0.29, specifically within the wabt::Decompiler::WrapChild component. This medium-severity vulnerability (CVSS 5.5) requires local access and user interaction for exploitation, potentially leading to a denial of service (high availability impact) without affecting confidentiality or integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		1.0.29CPE matchmatch criteria	cpe:2.3:a:webassembly:wabt:1.0.29:::::::*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.28%

Probability of exploitation in next 30 days

EPSS Percentile

20.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0028 is in the 24th percentile among its peer group of 5,760 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

microsoft2023-Mar/CVE-2023-27119Moderate

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

Mar 14, 2023

References

github.com / WebAssembly/wabt/issues/1990

ExploitIssue Tracking