Divide-by-zero in Xpdf 4.04 due to very large page size
CVE-2023-3044

3.3LOW

Key Information:

Vendor

XPDF

Status
XPDF
Vendor
CVE Published:
2 June 2023

What is CVE-2023-3044?

An excessively large PDF page size (found in fuzz testing, unlikely in normal PDF files) can result in a divide-by-zero in Xpdf's text extraction code.

This is related to CVE-2022-30524, but the problem here is caused by a very large page size, rather than by a very large character coordinate.

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Deploy the Patch

Affected Version(s)

Xpdf all 4.04

References

https://www.xpdfreader.com/security-bug/CVE-2023-3044.html
https://github.com/baker221/poc-xpdf

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Junlin Liu of Peking Univ.
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