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CVE-2026-81882— radare2: Missing string termination causes heap out-of-bounds read in radare2 bplist parser

一分钟漏洞结论

影响对象
radareorg radare2
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

radare2 is a UNIX-like reverse engineering framework and command-line toolset. Prior to 6.2.0, radare2's binary property-list Unicode parser was vulnerable because the binary-property-list Unicode parser underallocated an uninitialized UTF-8 destination and di

CVSS 3.3 · Low
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一、 漏洞 CVE-2026-81882 基础信息

漏洞信息

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Vulnerability Title
radare2: Missing string termination causes heap out-of-bounds read in radare2 bplist parser
来源: CVE Program / CVE List V5
Vulnerability Description
radare2 is a UNIX-like reverse engineering framework and command-line toolset. Prior to 6.2.0, radare2's binary property-list Unicode parser was vulnerable because the binary-property-list Unicode parser underallocated an uninitialized UTF-8 destination and did not guarantee NUL termination. The vulnerability is triggered by running the explicit pFB or pFBj commands on untrusted binary property-list data. The json encoder treated the converted data as a nul-terminated c string and could continue reading beyond the allocation. This can cause disclosure of uninitialized or adjacent heap contents in JSON output and possible process termination. This issue is fixed in version 6.2.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
radareorg radare2 < 6.2.0 -

二、漏洞 CVE-2026-81882 的公开POC

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三、漏洞 CVE-2026-81882 的情报信息

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CVE-2026-81882 补丁与修复 (1)

CVE-2026-81882 其他参考 (3)

同批安全公告 · radareorg · 2026-09-22 · 共 9 条

CVE-2026-81885 5.5 MEDIUM radare2: Infinite relocation-chain loop causes denial of service in radare2 NE parser
CVE-2026-81879 5.5 MEDIUM radare2: Heap out-of-bounds read in radare2 ELF PN_XNUM handling
CVE-2026-81880 5.5 MEDIUM radare2: Uncontrolled resource consumption in radare2 PEF loader
CVE-2026-81878 5.5 MEDIUM radare2: Integer overflow causes heap out-of-bounds write in radare2 PYC parser
CVE-2026-81886 5.5 MEDIUM radare2: Uncontrolled memory allocation in radare2 dmp64 parser
CVE-2026-81881 3.3 LOW radare2: Heap out-of-bounds read in radare2 Mach-O Swift metadata parser
CVE-2026-81883 3.3 LOW radare2: Out-of-bounds Read at the end of string in the LUA 5.3 bytecode
CVE-2026-81884 2.5 LOW radare2: Heap out-of-bounds read in radare2 Mach-O LC_DATA_IN_CODE parser

IV. Related Vulnerabilities

Same product: radare2
Same vendor: radareorg
Same weakness: CWE-125

V. Comments for CVE-2026-81882

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