Vulnerability Monitor

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CVE-2015-3217

PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.

Published

2016-12-13T16:59:02.220

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application pcre pcre2 10.10 Yes
Application pcre pcre 7.8 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 ibm powerkvm 2.1 Yes
Application ibm powerkvm 3.1 Yes
References