CVE-2025-7345

Gdk‑pixbuf: heap‑buffer‑overflow in gdk‑pixbuf

Description

A flaw exists in gdk‑pixbuf within the gdk_pixbuf__jpeg_image_load_increment function (io-jpeg.c) and in glib’s g_base64_encode_step (glib/gbase64.c). When processing maliciously crafted JPEG images, a heap buffer overflow can occur during Base64 encoding, allowing out-of-bounds reads from heap memory, potentially causing application crashes or arbitrary code execution.

Remediation

Workaround:

  • Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2025:12841 vendor advisory
https://access.redhat.com/errata/RHSA-2025:12862 vendor advisory
https://access.redhat.com/errata/RHSA-2025:13315 vendor advisory
https://access.redhat.com/errata/RHSA-2025:14574 vendor advisory
https://access.redhat.com/errata/RHSA-2025:14575 vendor advisory
https://access.redhat.com/errata/RHSA-2025:14576 vendor advisory
https://access.redhat.com/security/cve/CVE-2025-7345 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2377063 issue tracking
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/249

Frequently Asked Questions

What is the severity of CVE-2025-7345?
CVE-2025-7345 has been scored as a high severity vulnerability.
How to fix CVE-2025-7345?
As a workaround for remediating CVE-2025-7345: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Is CVE-2025-7345 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-7345 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-7345?
CVE-2025-7345 affects Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7.
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