CVE-2016-3191

描述

The compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*ACCEPT) substring in conjunction with nested parentheses, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-3542.

如何修補 CVE-2016-3191

要修補 CVE-2016-3191,請將受影響套件升級到下列已修補版本。

• —升級至 8.38-r1 或更新版本
• —升級至 10.21-1 或更新版本
• —升級至 2:8.38-2 或更新版本
• —升級至 8.02-1.1+deb6u1 或更新版本

CVE-2016-3191 正在被利用嗎?

中等 — EPSS 為 8.4%,可持續追蹤但非最高優先。

受影響套件(4)

• from 0, < 8.38-r1
• from 0, < 10.21-1
• from 0, < 2:8.38-2
• from 0, < 8.02-1.1+deb6u1

CVSS 分數

參考連結(2)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2016-3191
• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2016-3191