An issue was discovered in WAVM before 2018-09-16.

published 2018-09-21 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-9048

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

An issue was discovered in WAVM before 2018-09-16. The loadModule function in Include/Inline/CLI.h lacks checking of the file length before a file magic comparison, allowing attackers to cause a Denial of Service (application crash caused by out-of-bounds read) by crafting a file that has fewer than 4 bytes.

Patch / fix

fixed in 1 links 2

webassembly_virtual_machine_project webassembly_virtual_machine 2018-09-16

github.com/WAVM/WAVM@2de6cf7 commit
github.com/WAVM/WAVM/issues/109 advisory

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/WAVM/WAVM/issues/109 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-125 Out-of-bounds Read

References

github.com /WAVM/WAVM/commit/2de6cf70c5ef31e22ed119a25ac2daeefd3d18a1
patch, third-party-advisory
github.com /WAVM/WAVM/issues/109
exploit, patch, third-party-advisory

Sources

CVE List CVE-2018-17292
NVD CVE-2018-17292

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary