CVE-2026-30040Disclosure

LOWCVSS 6.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A heap overflow in the FSViewer.exe process of FastStone Image Viewer v8.3 allows attackers to cause a execute arbitrary code in the context of the current process via supplying a crafted JPEG 2000 (JP2) file.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-06-23); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-23: 1Mentions · 2026-06-24: 1Technical Details · 2026-06-23: 1Technical Details · 2026-06-24: 106-2306-24
Signal classification1 categories
Disclosure
2100.0%
Referenced assets1 URL
By indicator
Full discourse2 posts
  • Israel@f1tym1
    Disclosure

    CERT disclosed CVE-2026-30040 and CVE-2026-30041 in FastStone Image Viewer 8.3; JP2 and PSD parsers may allow remote code execution or denial-of-service. https://ift.tt/SXe39wf

    Post summary

    CERT disclosed CVE-2026-30040 and CVE-2026-30041, which allow remote code execution or denial‑of‑service via JP2/PSD parsing in FastStone Image Viewer 8.3.

    0100055
    1.0K followersView on X
  • Israel@f1tym1
    Disclosure

    CERT disclosed CVE-2026-30040 and CVE-2026-30041 in FastStone Image Viewer 8.3; JP2 and PSD parsers may allow remote code execution or denial-of-service. https://ift.tt/SXe39wf

    Post summary

    CERT has disclosed two new CVEs (CVE-2026-30040 and CVE-2026-30041) affecting FastStone Image Viewer 8.3, potentially enabling remote code execution or denial‑of‑service via its JP2 and PSD parsers.

    0000019
    1.0K followersView on X

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