PT-2026-1026 · Unknown+1 · Webassembly Wabt+1

Oneafter · Published 2026-01-01 · Updated 2026-01-06 · CVE-2025-15411

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions WebAssembly wabt versions up to 1.0.39

Description A memory corruption issue exists in WebAssembly wabt. The issue is related to the wabt::AST::InsertNode function within the /src/repro/wabt/bin/wasm-decompile file of the wasm-decompile component. This manipulation can lead to memory corruption and is potentially exploitable on the local host. The exploit has been publicly released. The project currently lacks active maintenance.

Recommendations Versions prior to 1.0.39 are affected. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2025-15411

Affected Products

Debian

Webassembly Wabt

References · 19

• 🔥 https://github.com/oneafter/1208/blob/main/af1 · Exploit
• https://github.com/WebAssembly/wabt/issues/2679 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-15411 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-15411 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-15411 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-15411 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-15411 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-15411 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-15411 · Security Note
• https://github.com/WebAssembly/wabt · Note
• https://twitter.com/CVEnew/status/2006861488846217248 · Twitter Post
• https://t.me/cveNotify/147457 · Telegram Post
• https://vuldb.com/?submit.736404 · Note
• https://t.me/cveNotify/147843 · Telegram Post
• https://vuldb.com/?id.339332 · Note