---
title: "CVE-2026-102504: Perl Imager - Denial of Service"
description: "Perl Imager < 1.037 contains a denial of service caused by lack of range checking on raw_datachannels in i_readraw_wiol, letting attackers trigger uncatchable process exit by passing crafted raw_datachannels value, exploit requires attacker to provide untrusted input."
url: https://panop.io/threat-heartbeat/CVE-2026-102504/
---

# CVE-2026-102504 Perl Imager - Denial of Service

Perl Imager < 1.037 contains a denial of service caused by lack of range checking on raw\_datachannels in i\_readraw\_wiol, letting attackers trigger uncatchable process exit by passing crafted raw\_datachannels value, exploit requires attacker to provide untrusted input.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.39% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102504)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published

1 October 2026

Updated

15 October 2026

Weakness

[CWE-190](https://cwe.mitre.org/data/definitions/190.html)

## Vendor fix

Update to version 1.037 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102504](https://nvd.nist.gov/vuln/detail/CVE-2026-102504)
- [https://github.com/tonycoz/imager/security/advisories/GHSA-g549-r73g-x7x6](https://github.com/tonycoz/imager/security/advisories/GHSA-g549-r73g-x7x6)
- [https://metacpan.org/release/TONYC/Imager-1.037/changes](https://metacpan.org/release/TONYC/Imager-1.037/changes)
- [http://www.openwall.com/lists/oss-security/2026/10/01/9](http://www.openwall.com/lists/oss-security/2026/10/01/9)
- [https://github.com/tonycoz/imager/commit/21b0df9eef1dffe1fdcd3706bfea9f1338031679.patch](https://github.com/tonycoz/imager/commit/21b0df9eef1dffe1fdcd3706bfea9f1338031679.patch)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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