CVE-2026-30040: 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
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-30040
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-300400.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-30040 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for A heap overflow
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- lowCVE-2026-56372: ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the magnify opera…nvd · 2026-07-11
- lowCVE-2026-15028: A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap …nvd · 2026-07-10
- mediumCVE-2026-60094: Vinchin Backup & Recovery through 9.0.0.86562 contains a heap buffer overflow vulnerability th…nvd · 2026-07-09
- mediumGHSA-8f95-v3jq-cj86: pymonocypher: Potential heap buffer overflow on nb_blocks in argon2i_32 when provided buf…ghsa · 2026-07-09
- highCVE-2026-59691: A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client con…nvd · 2026-07-09
- mediumCVE-2026-58306: Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffe…nvd · 2026-07-09
More from NVD Recent CVEs
- highCVE-2026-15491: A weakness has been identified in RafyMrX TOKO-ONLINE-ROTI up to ddfe1cd587be0a0b5135d8b6e85cc…2026-07-12
- highCVE-2026-15490: A security flaw has been discovered in RafyMrX TOKO-ONLINE-ROTI up to ddfe1cd587be0a0b5135d8b6…2026-07-12
- highCVE-2026-15489: A vulnerability was identified in RafyMrX TOKO-ONLINE-ROTI up to ddfe1cd587be0a0b5135d8b6e85cc…2026-07-12
- highCVE-2026-15488: A vulnerability was determined in hcr707305003 shiroiAdmin 1.1/1.3. Affected is the function F…2026-07-12
- mediumCVE-2026-15487: A vulnerability was found in TRENDnet TEW-821DAP 1.11B03. This impacts the function sub_41FBD0…2026-07-12