Vulnerability Report

CVE-2026-5201

Title: Heap-based buffer overflow in gdk-pixbuf JPEG loader

Memory Corruption

Proof Of Concept

PoC Available for CVE-2026-5201

CWE Category CWE-122

Published Date Mar 31, 2026

Modified Date Jul 15, 2026

Exploit Status Available

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

1.07%

Vulnerability Summary

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.

Impacted Vendors

Reference Links

https://access.redhat.com/security/cve/CVE-2026-5201 https://bugzilla.redhat.com/show_bug.cgi?id=2453291 https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/304

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1

Source Entity 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-5201 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/kagancapar/CVE-2026-5201

View Code

July 15, 2026 MODIFIED

Vulnerability data updated via NVD.

June 30, 2026 MODIFIED

Vulnerability data updated via NVD.

June 10, 2026 MODIFIED

Vulnerability data updated via NVD.

May 21, 2026 MODIFIED

Vulnerability data updated via NVD.

May 21, 2026 MODIFIED

Vulnerability data updated via NVD.

May 20, 2026 MODIFIED

Vulnerability data updated via NVD.

May 19, 2026 MODIFIED

Vulnerability data updated via NVD.

May 14, 2026 MODIFIED

Vulnerability data updated via NVD.

May 14, 2026 MODIFIED

Vulnerability data updated via NVD.

May 14, 2026 MODIFIED

Vulnerability data updated via NVD.

May 14, 2026 MODIFIED

Vulnerability data updated via NVD.

May 12, 2026 MODIFIED

Vulnerability data updated via NVD.

May 01, 2026 MODIFIED

Vulnerability data updated via NVD.

April 28, 2026 MODIFIED

Vulnerability data updated via NVD.

April 28, 2026 MODIFIED

Vulnerability data updated via NVD.

April 27, 2026 MODIFIED

Vulnerability data updated via NVD.

April 27, 2026 MODIFIED

Vulnerability data updated via NVD.

April 14, 2026 MODIFIED

Vulnerability data updated via NVD.

April 01, 2026 MODIFIED

Vulnerability data updated via NVD.

March 31, 2026 MODIFIED

Vulnerability data updated via NVD.

March 31, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.