CVE-2026-94030

SerenityOS LibGfx BMPLoader.cpp decode_bmp_pixel_data integer overflow

LOW
3.1
CVSS Score
Published: September 20, 2026 at 01:30 PM UTC
Updated: September 24, 2026 at 01:17 PM UTC
1 product affected across 1 vendorSerenityos

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Severity
LOW3.1
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A security vulnerability has been detected in SerenityOS up to 3d83e4509fd20d7438e1ae8470ffe668c136229c. Affected by this vulnerability is the function decode_bmp_pixel_data of the file Userland/Libraries/LibGfx/ImageFormats/BMPLoader.cpp of the component LibGfx. The manipulation of the argument height leads to integer overflow. The attack is possible to be carried out remotely. The attack's complexity is rated as high. The exploitation appears to be difficult. The exploit has been disclosed publicly and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The identifier of the patch is 007041bb2dd6d140c9e707caddfb0a49ecf96469. Applying a patch is the recommended action to fix this issue. This was reproducible with a minimal 55-byte PoC via the standard image-decode fuzz target but evidence for an actual exploitable defect is thin.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions3d83e4509fd20d7438e1ae8470ffe668c136229c

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/407958
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/407958/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-94030
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/945895
ExploitIssue Tracking
Source: cverecord
https://github.com/SerenityOS/serenity/issues/26957
Issue TrackingPatch
Source: cverecord
https://github.com/SerenityOS/serenity/pull/26958

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.1LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-190CWE-189

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