CVE catalog

CVE-2025-14956

binaryen: CVE-2025-14956

Severity: High · CVSS 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published: Dec 19, 2025, 4:32:12 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.21% · Oct 25, 2026

A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src/wasm/wasm-binary.cpp. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: 4f52bff8c4075b5630422f902dd92a0af2c9f398. It is recommended to apply a patch to fix this issue.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	binaryen	sid	`131-2`	vulnerable
Debian	binaryen	forky	`131-2`	vulnerable
Debian	binaryen	trixie	`120-4`	vulnerable
Debian	binaryen	bookworm	`108-1`	vulnerable
Opensuse	binaryen	tumbleweed	`133-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	binaryen	source	sid	`(unfixed)`	unimportant	Not reported	[1123745]
Debian	binaryen	source	forky	`(unfixed)`	unimportant	Not reported	[1123745]
Debian	binaryen	source	trixie	`(unfixed)`	unimportant	Not reported	[1123745]
Debian	binaryen	source	bookworm	`(unfixed)`	unimportant	Not reported	[1123745]
Opensuse	binaryen	rpm	tumbleweed	`133-1.1`	Not reported	OPENSUSE-SU-2026:11915-1	Not reported

[Debian bug #1123745]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[binaryen]Affected
Details (2)
- 108-1 · amd64 · bookworm
  Affected
  dsa · binaryen · debian · bookworm; dsa · binaryen · debian · 12
- 108-1 · arm64 · bookworm
  Affected
  dsa · binaryen · debian · bookworm; dsa · binaryen · debian · 12

[Debian 13 (Trixie)]

[binaryen]Affected
Details (2)
- 120-4 · amd64 · trixie
  Affected
  dsa · binaryen · debian · 13
- 120-4 · arm64 · trixie
  Affected
  dsa · binaryen · debian · 13

[openSUSE Tumbleweed]

[binaryen]Affected
Source package: [binaryen]
Details (1)
- 123-1.5 · x86_64 · tumbleweed
  Affected · Fixed: 133-1.1
  dsa · binaryen · opensuse · tumbleweed
[libbinaryen]Unknown
Source package: [binaryen]
Details (1)
- 123-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 133-1.1
  Version impact unknown
  dsa · binaryen · opensuse · tumbleweed
[libbinaryen-devel]Unknown
Source package: [binaryen]
Details (1)
- 123-1.5 · x86_64 · tumbleweed
  Unknown · Fixed: 133-1.1
  Version impact unknown
  dsa · binaryen · opensuse · tumbleweed

Observed: Oct 24, 2026, 7:59:42 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]