Bug 2457687 (CVE-2026-40385)

Summary: CVE-2026-40385 libexif: libexif: Information disclosure and crashes via integer overflow in Nikon MakerNote handling
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in libexif. A local attacker on a 32-bit system could exploit an unsigned 32-bit integer overflow vulnerability in the Nikon MakerNote handling. This could lead to application crashes or the disclosure of sensitive information.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2457747    
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Description OSIDB Bzimport 2026-04-12 19:01:17 UTC
In libexif through 0.6.25, an unsigned 32bit integer overflow in Nikon MakerNote handling could be used by local attackers to cause crashes or information leaks. This only affects 32bit systems.

Comment 2 errata-xmlrpc 2026-05-26 15:20:22 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:20929 https://access.redhat.com/errata/RHSA-2026:20929

Comment 3 errata-xmlrpc 2026-06-03 04:37:16 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:22553 https://access.redhat.com/errata/RHSA-2026:22553

Comment 4 errata-xmlrpc 2026-06-16 08:15:20 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

Via RHSA-2026:26191 https://access.redhat.com/errata/RHSA-2026:26191

Comment 5 errata-xmlrpc 2026-06-16 08:19:08 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:26190 https://access.redhat.com/errata/RHSA-2026:26190

Comment 6 errata-xmlrpc 2026-06-16 08:20:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:26192 https://access.redhat.com/errata/RHSA-2026:26192

Comment 7 errata-xmlrpc 2026-06-16 10:40:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:26224 https://access.redhat.com/errata/RHSA-2026:26224

Comment 8 errata-xmlrpc 2026-06-16 11:57:53 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:26276 https://access.redhat.com/errata/RHSA-2026:26276

Comment 9 errata-xmlrpc 2026-06-16 12:43:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:26292 https://access.redhat.com/errata/RHSA-2026:26292

Comment 10 errata-xmlrpc 2026-06-17 13:03:15 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:26567 https://access.redhat.com/errata/RHSA-2026:26567