PT-2024-21935 · Wasm3 · Wasm3

Haruki3Hhh · Published 2024-11-08 · Updated 2025-06-24 · CVE-2024-27529

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions wasm3 version 139076a

Description The issue concerns memory leaks in the Read utf8 function. This function is part of the wasm3 software, specifically at commit 139076a. No information is provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations For version 139076a, consider disabling the Read utf8 function until a patch is available to prevent potential memory leaks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Resource Exhaustion

Weakness Enumeration

CWE-125

CWE-400

Related Identifiers

CVE-2024-27529

GHSA-FMQ6-4W57-2W3V

PYSEC-2024-305

Affected Products

Wasm3

References · 14

• 🔥 https://github.com/wasm3/wasm3/issues/462 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-27529 · Security Note
• https://osv.dev/vulnerability/PYSEC-2024-305 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-27529 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-fmq6-4w57-2w3v · Vendor Advisory
• https://github.com/wasm3/wasm3/commit/526c1251b64e6e9fdc0d40c768ae46cd20338594 · Note
• https://github.com/wasm3/wasm3/pull/490 · Note
• https://t.me/cvenotify/102003 · Telegram Post
• https://t.me/cvedetector/10240 · Telegram Post
• https://twitter.com/CVEnew/status/1855002068311744729 · Twitter Post
• https://gist.github.com/haruki3hhh/ac70bd83b9c0ed1de6289d818488da78 · Note
• https://t.me/cvenotify/126528 · Telegram Post
• https://t.me/cvenotify/101374 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1855033981189714060 · Twitter Post