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CVE
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CVE-2018-20349Date: (C)2018-12-24   (M)2023-12-22


The igraph_i_strdiff function in igraph_trie.c in igraph through 0.7.1 has an NULL pointer dereference that allows attackers to cause a denial of service (application crash) via a crafted object.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.5CVSS Score : 4.3
Exploit Score: 2.8Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess 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:
FEDORA-2019-060e7b383c
FEDORA-2019-5d52865475
https://lists.debian.org/debian-lts-announce/2019/12/msg00038.html
https://github.com/igraph/igraph/issues/1141

CWE    1
CWE-476
OVAL    5
oval:org.secpod.oval:def:70279
oval:org.secpod.oval:def:116969
oval:org.secpod.oval:def:116962
oval:org.secpod.oval:def:705775
...

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