CVE-2022-0240— NULL Pointer Dereference in mruby/mruby
Quick assessment
Affected
mruby mruby/mruby
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
mruby是一款Ruby语言的轻量级实现。 mruby存在代码问题漏洞，该漏洞源于软件中存在空指针解引用。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-0240
Vulnerability Information
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Vulnerability Title
NULL Pointer Dereference in mruby/mruby
Source: CVE Program / CVE List V5
Vulnerability Description
mruby is vulnerable to NULL Pointer Dereference
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
mruby 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mruby是一款Ruby语言的轻量级实现。 mruby存在代码问题漏洞，该漏洞源于软件中存在空指针解引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| mruby | mruby/mruby | unspecified ~ 3.2 | - |
|
II. Public POCs for CVE-2022-0240
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2022-0240 (1)
IV. Related Vulnerabilities
Same product: mruby/mruby
-
CVE-2022-1934
Use After Free in mruby/mruby -
CVE-2022-1427
Out-of-bounds Read in mrb_obj_is_kind_of in in mruby/mruby -
CVE-2022-1286
heap-buffer-overflow in mrb_vm_exec in mruby/mruby in mruby/ -
CVE-2022-1276
Out-of-bounds Read in mrb_get_args in mruby/mruby -
CVE-2022-1212
Use-After-Free in str_escape in mruby/mruby in mruby/mruby
Same vendor: mruby
-
CVE-2022-1934
Use After Free in mruby/mruby -
CVE-2022-1427
Out-of-bounds Read in mrb_obj_is_kind_of in in mruby/mruby -
CVE-2022-1286
heap-buffer-overflow in mrb_vm_exec in mruby/mruby in mruby/ -
CVE-2022-1276
Out-of-bounds Read in mrb_get_args in mruby/mruby -
CVE-2022-1212
Use-After-Free in str_escape in mruby/mruby in mruby/mruby
Same weakness: CWE-476
-
CVE-2026-90782
S2OPC through 1.7.3 NULL Pointer Dereference in alloc_notifi -
CVE-2026-90485
IOBit Uninstaller IOCTL Dispatch IURegistryFilter.sys sub_11 -
CVE-2026-78130
strongSwan 4.2.0-6.0.7空指针解引用 -
CVE-2026-78126
strongSwan 6.0.7 前 EAP-AKA 空指针解引用 -
CVE-2026-45747
Suricata lua/tls: null dereference in TlsGetCertInfo
V. Comments for CVE-2022-0240
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