CVE-2022-0520— Use After Free in radareorg/radare2
Quick assessment
Affected
radareorg radareorg/radare2
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.
radare2是一套用于处理二进制文件的库和工具。 Radareorg Radare2 中存在资源管理错误漏洞，该漏洞源于产品对已释放的内存重复利用。以下产品及版本受到影响：Radareorg Radare2 5.6.2 之前版本。
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2022-0520
Vulnerability Information
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Vulnerability Title
Use After Free in radareorg/radare2
Source: CVE Program / CVE List V5
Vulnerability Description
Use After Free in NPM radare2.js prior to 5.6.2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Radareorg Radare2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
radare2是一套用于处理二进制文件的库和工具。 Radareorg Radare2 中存在资源管理错误漏洞，该漏洞源于产品对已释放的内存重复利用。以下产品及版本受到影响：Radareorg Radare2 5.6.2 之前版本。
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 |
|---|---|---|---|---|
| radareorg | radareorg/radare2 | unspecified ~ 5.6.2 | - |
|
II. Public POCs for CVE-2022-0520
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2022-0520 (1)
Vendor Advisories for CVE-2022-0520 (1)
-
https://huntr.dev/bounties/ce13c371-e5ef-4993-97f3-3d33dcd943a6 x_refsource_CONFIRM
Mailing List Discussions for CVE-2022-0520 (2)
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND/ vendor-advisory x_refsource_FEDORA
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D/ vendor-advisory x_refsource_FEDORA
Same Patch Batch · radareorg · 2022-02-08 · 7 CVEs total
| CVE-2022-0522 | Access of Memory Location Before Start of Buffer in radareorg/radare2 | |
| CVE-2022-0521 | Access of Memory Location After End of Buffer in radareorg/radare2 | |
| CVE-2022-0519 | Buffer Access with Incorrect Length Value in radareorg/radare2 | |
| CVE-2022-0518 | Heap-based Buffer Overflow in radareorg/radare2 | |
| CVE-2022-0139 | Use After Free in radareorg/radare2 | |
| CVE-2022-0523 | Use After Free in radareorg/radare2 |
IV. Related Vulnerabilities
Same product: radareorg/radare2
-
CVE-2023-5686
Heap-based Buffer Overflow in radareorg/radare2 -
CVE-2023-4322
Heap-based Buffer Overflow in radareorg/radare2 -
CVE-2023-1605
Denial of Service in radareorg/radare2 -
CVE-2023-0302
Failure to Sanitize Special Elements into a Different Plane -
CVE-2022-4843
NULL Pointer Dereference in radareorg/radare2
Same vendor: radareorg
-
CVE-2026-14789
radareorg radare2 Memory64ListStream mdmp.c stack-based over -
CVE-2026-14788
radareorg radare2 cfile.c r_core_bin_load use after free -
CVE-2026-14787
radareorg radare2 pb Print cmd_print.inc cmd_print integer o -
CVE-2026-14786
radareorg radare2 str.c r_str_word_get0set integer overflow -
CVE-2026-14761
radareorg radare2 str.c r_str_append integer overflow
Same weakness: CWE-416
V. Comments for CVE-2022-0520
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