CVE-2021-46048
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm:...
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
- Record
CVE-2021-46048- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-617
- Updated
- 2026-11-02
CVE List No score
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
- Record
CVE-2021-46048- Updated
- 2026-11-02
EUVDEUVD-2021-32752 No score
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
- Record
EUVD-2021-32752- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w48j-3c25-425m No score
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm:...
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
- Record
GHSA-w48j-3c25-425m- Weakness
- CWE-617
- Updated
- 2026-11-02
OSV
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
- Record
CVE-2021-46048- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-46048
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
- Record
DEBIAN-CVE-2021-46048- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-46048
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
- Record
UBUNTU-CVE-2021-46048- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
binaryenDebian:12 |
All versions, plus listed versions 108-1112-1116-1120-1120-2 Show 11 moreShow less120-3120-4120-4+ports122-1.1122-2122-3130-1130-2130-3131-1131-2 |
None known |
binaryenDebian:13 |
All versions, plus listed versions 120-4120-4+ports122-1.1122-2122-3 Show 5 moreShow less130-1130-2130-3131-1131-2 |
None known |
binaryenDebian:14 |
All versions, plus listed versions 120-4120-4+ports122-1.1122-2122-3 Show 5 moreShow less130-1130-2130-3131-1131-2 |
None known |
binaryenUbuntu:20.04:LTS |
All versions, plus listed versions 89-190-191-1 |
None known |
binaryenUbuntu:22.04:LTS |
All versions, plus listed versions 99-3105-1 |
None known |
binaryenUbuntu:24.04:LTS |
All versions, plus listed versions 108-1 |
None known |
binaryenUbuntu:25.10 |
All versions, plus listed versions 120-3120-4 |
None known |
binaryenUbuntu:26.10 |
All versions, plus listed versions 120-4build1130-2130-3131-2 |
None known |
binaryenUbuntu:26.04:LTS |
All versions, plus listed versions 120-4120-4build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46048 is a medium vulnerability (CVSS 5.5) in Webassembly Binaryen, published January 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. No source names a fixed version.