Staging Environment: Content and features may be unstable or change without notice.
Advisory details: pypa / pywasm3/PYSEC-2022-43153
Advisory ID pypa/pywasm3/PYSEC-2022-43153
Aliases CVE-2022-28966
PYSEC-2022-43153
Summary Wasm3 0.5.0 has a heap-based buffer overflow in NewCodePage in m3_code.c (called indirectly from Compile_BranchTable in m3_compile.c).
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
Reference id Reference type URL
https://github.com/wasm3/wasm3/issues/320
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/pypa/advisory-database/blob/main/vulns/pywasm3/PYSEC-2022-43153.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.