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CVE
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CVE-2020-26682Date: (C)2020-10-19   (M)2023-12-22


In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 8.8CVSS Score : 6.8
Exploit Score: 2.8Exploit Score: 8.6
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
GLSA-202012-12
http://www.openwall.com/lists/oss-security/2020/11/19/7
https://github.com/libass/libass/issues/431
https://github.com/libass/libass/pull/432

CWE    1
CWE-190
OVAL    2
oval:org.secpod.oval:def:89044091
oval:org.secpod.oval:def:89047184

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