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CVE
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CVE-2015-2326Date: (C)2020-01-15   (M)2024-04-19


The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(1))/".

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 4.3
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html
https://bugs.exim.org/show_bug.cgi?id=1592
https://fortiguard.com/zeroday/FG-VD-15-016
https://www.pcre.org/original/changelog.txt

CWE    1
CWE-125
OVAL    10
oval:org.secpod.oval:def:52542
oval:org.secpod.oval:def:1200183
oval:org.secpod.oval:def:504988
oval:org.secpod.oval:def:1200078
...

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