Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2026-8257— WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn assertion

CVSS 3.3 · Low
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-8257

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn assertion
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function IRBuilder::makeBrOn of the file src/wasm/wasm-ir-builder.cpp of the component BrOn Parser. Performing a manipulation results in reachable assertion. The attack needs to be approached locally. The exploit is now public and may be used. The patch is named 1251efbc1ea471c1311d2726b2bbe061ff2a291c. It is suggested to install a patch to address this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
可达断言
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
WebAssemblyBinaryen 117 cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8257

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-8257

请登录查看更多情报信息。

IV. Related Vulnerabilities

Same product: Binaryen
Same vendor: WebAssembly
Same weakness: CWE-617

V. Comments for CVE-2026-8257

No comments yet

Leave a comment