Vulnerability Monitor

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CVE-2016-3191

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.

Published

2016-03-17T23:59:01.447

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application pcre pcre 8.00 Yes
Application pcre pcre 8.01 Yes
Application pcre pcre 8.02 Yes
Application pcre pcre 8.10 Yes
Application pcre pcre 8.11 Yes
Application pcre pcre 8.12 Yes
Application pcre pcre 8.13 Yes
Application pcre pcre 8.20 Yes
Application pcre pcre 8.21 Yes
Application pcre pcre 8.30 Yes
Application pcre pcre 8.31 Yes
Application pcre pcre 8.32 Yes
Application pcre pcre 8.33 Yes
Application pcre pcre 8.34 Yes
Application pcre pcre 8.35 Yes
Application pcre pcre 8.36 Yes
Application pcre pcre 8.37 Yes
Application pcre pcre 8.38 Yes
Application pcre pcre2 ≤ 10.21 Yes
References