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  4. CVE 2026 116671 infinite loop in xpdf due to missing validation
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Back to active CVEs
Low · CVSS 2.1CVE-2026-116671

Infinite loop in Xpdf due to missing validation in JPEG 2000 decoderCVE-2026-116671

Answer in brief

CVE-2026-116671 records a Low severity (CVSS 2.1) vulnerability in Infinite loop in Xpdf due to missing validation in JPEG 2000 decoder. The current sources do not mark it as known exploited. The current feed maps Xpdf/Xpdf (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 26, 2026Updated Oct 26, 2026Source checked Oct 26, 2026First seen by HOL Oct 26, 2026Material review Oct 26, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 2.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 2.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Xpdf/Xpdf (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Xpdf/Xpdfgeneric>=0 <=4.06Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Xpdf/Xpdf.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 26, 2026

Sources and claim methodology

  • Source referencexpdfreader.com
Upstream source description

Infinite loop in Xpdf 4.06 and earlier, due to incorrect validation of progression order field in JPEG 2000 image.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Seroval: fromJSON deserializer trusts sequence doneAt (unauthenticated event-loop DoS)Also CWE-835

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-20, CWE-835
Source
CVE List V5
Source checked
Oct 26, 2026
References
1 linked source
Open source record