CVE-2026-38427
HIGH 7.3EPSS 0.5%
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.
- CVSS v3.1
- 7.3 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - EPSS
- 0.46% chance of exploitation in the next 30 days, 38th percentile
- Published
- 2026-05-27
Proof-of-concept exploits (1)
- sermikr0/CVE-2026-384270★ · 2026-05-25