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CVE-2022-1586

Quick assessment

Affected
n/a pcre2
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.

PCRE是Philip Hazel个人开发者的一款使用C语言编写的开源正则表达式函数库。 PCRE 存在安全漏洞。攻击者利用该漏洞通过 pcre2_jit_compile.c 中的 compile_xclass_matchingpath 强制读取 PCRE 的无效内存地址，以触发拒绝服务或获取敏感信息。

AI Predicted 5.3 Difficulty: Moderate EPSS 3.38% · P88
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I. Basic Information for CVE-2022-1586

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
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
PCRE 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PCRE是Philip Hazel个人开发者的一款使用C语言编写的开源正则表达式函数库。 PCRE 存在安全漏洞。攻击者利用该漏洞通过 pcre2_jit_compile.c 中的 compile_xclass_matchingpath 强制读取 PCRE 的无效内存地址，以触发拒绝服务或获取敏感信息。
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
- pcre2 Fixed in pcre2-10.40. -

II. Public POCs for CVE-2022-1586

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III. Intelligence Information for CVE-2022-1586

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Patches & Fixes for CVE-2022-1586 (2)

Vendor Advisories for CVE-2022-1586 (2)

Mailing List Discussions for CVE-2022-1586 (4)

Same Patch Batch · n/a · 2022-05-16 · 43 CVEs total

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CVE-2022-30055 Mersenne Research Prime95 安全漏洞
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CVE-2021-42870 ACCEL-PPP 缓冲区错误漏洞
CVE-2022-30777 Parallels H-Sphere 跨站脚本漏洞
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Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: pcre2
Same vendor: n/a
Same weakness: CWE-125

V. Comments for CVE-2022-1586

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