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.

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 attacke…

Vulnerability class: Buffer Overflow

EPSS: 0.009 (75.5th 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, 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)

CWE-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

kagancapar/CVE-2026-5201

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.