Description
A vulnerability has been found in FastStone Image Viewer up to 8.3. The impacted element is an unknown function of the component 1bpp RLE Decoder. The manipulation leads to out-of-bounds write. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Published: 2026-09-28
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 28 Sep 2026 21:45:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in FastStone Image Viewer up to 8.3. The impacted element is an unknown function of the component 1bpp RLE Decoder. The manipulation leads to out-of-bounds write. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Title FastStone Image Viewer 1bpp RLE Decoder out-of-bounds write
First Time appeared Faststone
Faststone image Viewer
Weaknesses CWE-119
CWE-787
CPEs cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:*
Vendors & Products Faststone
Faststone image Viewer
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}


Subscriptions

Faststone Image Viewer
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-09-29T19:41:46.952Z

Reserved: 2026-09-28T09:39:54.245Z

Link: CVE-2026-101203

cve-icon Vulnrichment

Updated: 2026-09-29T19:41:42.667Z

cve-icon NVD

Status : Deferred

Published: 2026-09-28T22:17:31.427

Modified: 2026-09-29T20:17:11.320

Link: CVE-2026-101203

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-28T23:45:08Z

Weaknesses