CVE-2026-12600Network attack vector

Process termination via unchecked JPX component allocation

Published Aug 25, 2026 · Updated Aug 26, 2026

Denial of service in Innodata Inc. Poppler dated before 25/08/2026 allows remote attackers to terminate pdftoppm via a crafted PDF. JPXStream::readCodestream() uses attacker-controlled SIZ-segment values, including img.nComps, to allocate tiles and components without adequate bounds validation. Processing a PDF containing crafted JPXDecode images is sufficient to exhaust memory; the reported consequence is out-of-memory process termination.

CVSS severity8.7
High
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Innodata Inc. Poppler dated before 25/08/2026 allows remote attackers to terminate pdftoppm via a crafted PDF. JPXStream::readCodestream() uses attacker-controlled SIZ-segment values, including img.nComps, to allocate tiles and components without adequate bounds validation. Processing a PDF containing crafted JPXDecode images is sufficient to exhaust memory; the reported consequence is out-of-memory process termination.

The record

CVE
CVE-2026-12600
Published
Aug 25, 2026
Updated
Aug 26, 2026
Vendor
Innodata Inc.
Product
Poppler
Classifications
CWE-400, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 26, 2026Record 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=0 <25/08/2026

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Innodata Inc. · Popplerversion=0 <25/08/2026

Published CVSS scores

8.7INCIBECVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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