Bug 2458856 (CVE-2026-40192) - CVE-2026-40192 Pillow: Pillow: Denial of Service via decompression bomb in FITS image processing
Summary: CVE-2026-40192 Pillow: Pillow: Denial of Service via decompression bomb in FI...
Keywords:
Status: NEW
Alias: CVE-2026-40192
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2459001 2459007
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-16 00:01 UTC by OSIDB Bzimport
Modified: 2026-07-01 17:28 UTC (History)
62 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:24761 0 None None None 2026-06-09 11:04:02 UTC
Red Hat Product Errata RHSA-2026:24762 0 None None None 2026-06-09 11:02:30 UTC
Red Hat Product Errata RHSA-2026:27076 0 None None None 2026-06-18 12:18:43 UTC
Red Hat Product Errata RHSA-2026:34366 0 None None None 2026-07-01 17:27:42 UTC
Red Hat Product Errata RHSA-2026:34368 0 None None None 2026-07-01 17:28:49 UTC

Description OSIDB Bzimport 2026-04-16 00:01:13 UTC 
Pillow is a Python imaging library. Versions 10.3.0 through 12.1.1 did not limit the amount of GZIP-compressed data read when decoding a FITS image, making them vulnerable to decompression bomb attacks. A specially crafted FITS file could cause unbounded memory consumption, leading to denial of service (OOM crash or severe performance degradation). If users are unable to immediately upgrade, they should only open specific image formats, excluding FITS, as a workaround.
Comment 3 errata-xmlrpc 2026-06-09 11:02:26 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.6 for RHEL 9
  Red Hat Ansible Automation Platform 2.6 for RHEL 10

Via RHSA-2026:24762 https://access.redhat.com/errata/RHSA-2026:24762
Comment 4 errata-xmlrpc 2026-06-09 11:03:58 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.5 for RHEL 9
  Red Hat Ansible Automation Platform 2.5 for RHEL 8

Via RHSA-2026:24761 https://access.redhat.com/errata/RHSA-2026:24761
Comment 5 errata-xmlrpc 2026-06-18 12:18:40 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.16 for RHEL 8
  Red Hat Satellite 6.16 for RHEL 9

Via RHSA-2026:27076 https://access.redhat.com/errata/RHSA-2026:27076
Comment 6 errata-xmlrpc 2026-07-01 17:27:37 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.17 for RHEL 9

Via RHSA-2026:34366 https://access.redhat.com/errata/RHSA-2026:34366
Comment 7 errata-xmlrpc 2026-07-01 17:27:38 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.17 for RHEL 9

Via RHSA-2026:34366 https://access.redhat.com/errata/RHSA-2026:34366
Comment 8 errata-xmlrpc 2026-07-01 17:28:45 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.18 for RHEL 9

Via RHSA-2026:34368 https://access.redhat.com/errata/RHSA-2026:34368
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