Bug 2457689 (CVE-2026-40386)
| Summary: | CVE-2026-40386 libexif: libexif: Denial of Service and information disclosure via integer underflow in MakerNote decoding | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | Keywords: | Security |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in libexif. An integer underflow vulnerability in the size checking mechanism for Fuji and Olympus MakerNote decoding could allow attackers to exploit programs using libexif. This could lead to a Denial of Service (DoS) by crashing the program or result in information disclosure, potentially exposing sensitive data.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2457746 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2026-04-12 19:01:21 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 This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:22529 https://access.redhat.com/errata/RHSA-2026:22529 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 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 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 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 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 This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:26274 https://access.redhat.com/errata/RHSA-2026:26274 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 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 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 |