FastStone Image Viewer PCX Decoder out-of-bounds
Priority LOW 24CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was determined in FastStone Image Viewer up to 8.3. This impacts an unknown function of the component PCX Decoder. This manipulation causes out-of-bounds read. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-101205
- 2026-10-03 Alias added: GHSA-pfm3-9fm2-9vx6
References
—
More FastStone vulnerabilities
- TI-2026-80545 Out-of-bounds read in FastStone Image Viewer downsampler CVSS 4.0MEDIUM 5.3
- TI-2007-01864 Integer overflow in FastStone Image Viewer 2.9 allows context-dependent attackers to… CVSS 2.0HIGH 9.3
- TI-2022-17153 Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow. CVSS 3.1CRITICAL 9.8
- TI-2021-08098 FastStone Image Viewer <= 7.5 is affected by a user mode write access violation at… CVSS 3.1HIGH 7.8
- TI-2021-08097 FastStone Image Viewer v.<= 7.5 is affected by a Stack-based Buffer Overflow at… CVSS 3.1HIGH 7.8
- TI-2024-08464 Out-of-bounds write in FastStone Image Viewer CVSS 3.1HIGH 7.8
Sources
- CVE-2026-101205 · CVE Program
- CVE-2026-101205 · NVD
- FIRST EPSS
- GHSA-pfm3-9fm2-9vx6 · GitHub Advisory Database · CC BY 4.0
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