Buffer overflow in GNOME Gdk-Pixbuf
CVE-2026-5201
A flaw was found in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this flaw without user interaction, for example, via thumbnail generation. Successful exploitation leads to application crashes and denial of service (DoS) conditions.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (62.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Gnome Gdk-pixbuf
- Red Hat Ai Inference Server 3.2 — versions 1779223651, 1780681984, 1779223654
- Red Hat Ai Inference Server 3.3 — versions 1778244531, 1778244559, 1778244546
- Red Hat Enterprise Linux 10 — versions 0:2.42.12-4.el10_1.5, 0:2.42.12-4.el10_2.5
- Red Hat Enterprise Linux 10.0 Extended Update Support — versions 0:2.42.12-4.el10_0.4
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7 Extended Lifecycle Support — versions 0:2.36.12-5.el7_9
- Red Hat Enterprise Linux 8 — versions 0:2.36.12-8.el8_10
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 0:2.36.12-7.el8_2
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 0:2.36.12-7.el8_4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-5201?
- CVE-2026-5201 is a high-severity vulnerability in GNOME Gdk-Pixbuf, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-03-31.
- How severe is CVE-2026-5201?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2026-5201 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.