High severity7.3NVD Advisory· Published May 27, 2026· Updated May 27, 2026
CVE-2026-38427
CVE-2026-38427
Description
An issue in fetch_jpg() in xdrv_10_scripter.ino in Tasmota through 15.3.0.3 allows a remote attacker to cause heap buffer overflow. The Content-Length from a JPEG stream is stored in a uint16_t variable; values above 65535 wrap around, causing allocation of a smaller buffer than the data actually read.
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Affected products
1Patches
Vulnerability mechanics
References
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