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CVE
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CVE-2020-36773Date: (C)2024-02-07   (M)2024-02-28


Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score :
Exploit Score: 3.9Exploit Score:
Impact Score: 5.9Impact Score:
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector:
Attack Complexity: LOWAccess Complexity:
Privileges Required: NONEAuthentication:
User Interaction: NONEConfidentiality:
Scope: UNCHANGEDIntegrity:
Confidentiality: HIGHAvailability:
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://bugs.ghostscript.com/show_bug.cgi?id=702229
https://bugzilla.opensuse.org/show_bug.cgi?id=1177922
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874
https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530

CWE    1
CWE-787
OVAL    2
oval:org.secpod.oval:def:97900
oval:org.secpod.oval:def:1702139

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