CVE-2025-7345
Gdk‑pixbuf: heap‑buffer‑overflow in gdk‑pixbuf
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-120 |
| Published | Jul 8, 2025 |
| Last Updated | Nov 7, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8.2 Advanced Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2025:12841 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:12862 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:13315 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14574 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14575 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14576 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14585 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14618 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14646 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14647 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:14683 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-7345 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2377063 gitlab.gnome.org: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/249 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00024.html
Credits
Red Hat would like to thank Yifan Zhang (Programming Languages Lab, Peking University) for reporting this issue.