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CVE-2026-116671low2.1

Infinite loop in Xpdf due to missing validation in JPEG 2000 decoder

Impact

Xpdf versions 4.06 and earlier have an infinite loop vulnerability due to missing validation in the JPEG 2000 decoder. The issue is caused by incorrect validation of the progression order field in JPEG 2000 images. An attacker with access to the system can potentially exploit this weakness.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Xpdf · GandC

Xpdf

1 range
GandC version evidence
Platforms: all

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through 4.06

Version versions

unaffected

unknown

Other versions: unaffected

Original source description

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

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-116671

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-20 ↗

CWE-20 Improper input validation

GandC

Related →
CWE-835 ↗

CWE-835 Loop with unreachable exit condition ('infinite loop')

GandC

Related →
Contributing organizations · 1
GandC

Assigning organization

2026-10-26

What changed

Follow changes
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Large field values are marked as truncated previews. Original source snapshots remain retained.

References

1 sources
www.xpdfreader.com/security-bug/CVE-2026-116671.html
Security advisoryGandC