CVE-2023-3044Public exploit

Text-extraction crash via oversized PDF page

Published Jun 2, 2023 · Updated Jan 8, 2025

Divide-by-zero in Xpdf 4.04 text extraction allows local users to crash pdftotext with a crafted PDF containing an oversized page. Text layout in TextOutputDev.cc accepts extreme page dimensions and reaches an unchecked zero divisor while building a TextLine. A user must open or convert the crafted file; the observed consequence is termination of the text-extraction process, with no reported data disclosure or modification.

CVSS severity3.3
Low
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Divide-by-zero in Xpdf 4.04 text extraction allows local users to crash pdftotext with a crafted PDF containing an oversized page. Text layout in TextOutputDev.cc accepts extreme page dimensions and reaches an unchecked zero divisor while building a TextLine. A user must open or convert the crafted file; the observed consequence is termination of the text-extraction process, with no reported data disclosure or modification.

The record

CVE
CVE-2023-3044
Published
Jun 2, 2023
Updated
Jan 8, 2025
Vendor
Glyph & Cog, LLC
Product
Xpdf
Classifications
CWE-369, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 8, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.04

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Glyph & Cog, LLC · Xpdfversion=4.04

Published CVSS scores

3.3Glyph & Cog, LLCCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-369Divide By Zero
T1204.002Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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