CVE-2022-0623— Out-of-bounds Read 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 存在缓冲区错误漏洞，该漏洞源于在 mruby 3.2之前的版本中读取超时。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Possible ATT&CK Techniques 1 AI
T1200 · Hardware Additions
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I. Basic Information for CVE-2022-0623
Vulnerability Information
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Vulnerability Title
Out-of-bounds Read in mruby/mruby
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds Read in Homebrew mruby prior to 3.2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
mruby 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mruby是一款Ruby语言的轻量级实现。 mruby 存在缓冲区错误漏洞，该漏洞源于在 mruby 3.2之前的版本中读取超时。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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-2022-0623
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-0623 (1)
Vendor Advisories for CVE-2022-0623 (1)
-
https://huntr.dev/bounties/5b908ac7-d8f1-4fcd-9355-85df565f7580 x_refsource_CONFIRM
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-125
-
CVE-2026-90775
PostGIS address_standardizer through 3.7.0 Out-of-Bounds Rea -
CVE-2026-90560
zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdD -
CVE-2026-90557
Freeciv 3.1.0 through 3.2.5 Out-of-Bounds Read via Savegame -
CVE-2026-78546
Out-of-Bounds Read -
CVE-2026-13326
Out-of-bounds read and integer underflow vulnerability in QN
V. Comments for CVE-2022-0623
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