Heap-Based Buffer Overflow in Artifex jbig2dec Software
CVE-2020-12268

9.8CRITICAL

Key Information:

Vendor

Artifex
Status
Jbig2dec
Vendor
CVE Published:
27 April 2020

What is CVE-2020-12268?

The jbig2_image_compose function in Artifex jbig2dec versions before 0.18 is prone to a heap-based buffer overflow vulnerability. This issue can lead to potential memory corruption, allowing attackers to execute arbitrary code or disrupt service. The vulnerability arises from improper handling of maliciously crafted JBIG2 data, necessitating updates to ensure system integrity and protection against exploitation.

References

https://github.com/ArtifexSoftware/jbig2dec/compare/0.17....
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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20332
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https://github.com/ArtifexSoftware/jbig2dec/commit/072632...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.