CVE-2023-2662Public exploit

Application crash via malformed color space object

Published May 11, 2023 · Updated Jan 24, 2025

Divide-by-zero in Xpdf 4.04 allows attackers to crash a local processing instance by supplying a malformed PDF file. A malformed color space object reaches an arithmetic operation with a zero divisor; the vendor has not published the affected function or field calculation. Exploitation requires local processing of the file and interrupts the affected Xpdf process, with no reported data disclosure or modification.

CVSS severity5.5
Medium
EPSS probability0.28%
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 allows attackers to crash a local processing instance by supplying a malformed PDF file. A malformed color space object reaches an arithmetic operation with a zero divisor; the vendor has not published the affected function or field calculation. Exploitation requires local processing of the file and interrupts the affected Xpdf process, with no reported data disclosure or modification.

The record

CVE
CVE-2023-2662
Published
May 11, 2023
Updated
Jan 24, 2025
Vendor
Glyph & Cog, LLC
Product
Xpdf
Classifications
CWE-369, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 24, 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

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
2.9Glyph & Cog, LLCCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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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