DEBIAN-CVE-2026-8257

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Source
https://security-tracker.debian.org/tracker/CVE-2026-8257
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8257.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-8257
Upstream
Published
2026-05-11T02:16:27Z
Modified
2026-09-14T17:03:57Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / binaryen

Package

Name
binaryen
Purl
pkg:deb/debian/binaryen?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
108-1
112-1
116-1
120-1
120-2
120-3
120-4
120-4+ports
122-2
122-3
130-1
130-2
130-3
131-1
131-2
122-1.*
122-1.1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8257.json"

Debian:13 / binaryen

Package

Name
binaryen
Purl
pkg:deb/debian/binaryen?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
120-4
120-4+ports
122-2
122-3
130-1
130-2
130-3
131-1
131-2
122-1.*
122-1.1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8257.json"

Debian:14 / binaryen

Package

Name
binaryen
Purl
pkg:deb/debian/binaryen?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
120-4
120-4+ports
122-2
122-3
130-1
130-2
130-3
131-1
131-2
122-1.*
122-1.1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-8257.json"