Integer Overflow Vulnerability in SerenityOS LibGfx Image Formats Handler
CVE-2026-94030

2.3LOW

Key Information:

Vendor

SerenityOS

Status
Serenityos
Vendor
CVE Published:
20 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-94030?

A security vulnerability has been identified in the decode_bmp_pixel_data function of the BMPLoader component within SerenityOS's LibGfx library. This issue arises from an integer overflow caused by manipulation of the height argument during image processing. An attacker could exploit this vulnerability remotely, although evidence suggests that actual exploitation is challenging. The vulnerability has been disclosed publicly, and it is advisable for users of affected versions to apply the provided patch (identifier: 007041bb2dd6d140c9e707caddfb0a49ecf96469) to mitigate potential risks.

Affected Version(s)

SerenityOS 3d83e4509fd20d7438e1ae8470ffe668c136229c

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-94030 - Proof of Concept

References

https://vuldb.com/vuln/407958
vdb-entrytechnical-description
https://vuldb.com/vuln/407958/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94030
third-party-advisory

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

cz_seuer (VulDB User)
.