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High, CVSS 7.5

Improper Input Validation in Apache Sanselan

CVE-2018-17201GHSA-rjx9-2936-9ffx

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

Affected packages

  • Maven org.apache.sanselan:sanselan

    Affected
    <= 0.97-incubator
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2018-17201: 1.93% estimated exploitation activity in the next 30 days; percentile 80.03 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Certain input files could make the code hang when Apache Sanselan 0.97-incubator was used to parse them, which could be used in a DoS attack. Note that Apache Sanselan (incubating) was renamed to Apache Commons Imaging.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-rjx9-2936-9ffx

Agent brief

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# Patch Next advisory brief: CVE-2018-17201

Advisory: Improper Input Validation in Apache Sanselan
IDs: CVE-2018-17201, GHSA-rjx9-2936-9ffx
Record: https://patchnext.com/advisories/cve-2018-17201 (revision 1, source checked 26 Oct 2026, 16:05 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.apache.sanselan:sanselan: affected <= 0.97-incubator

## Suggested inspection (read-only)
- Maven org.apache.sanselan:sanselan: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.apache.sanselan:sanselan.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-rjx9-2936-9ffx (GitHub-reviewed advisory GHSA-rjx9-2936-9ffx lists affected ranges: Maven org.apache.sanselan:sanselan >=0 <=0.97-incubator)

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