What is GHSA-rxch-658p-46rq?

GHSA-rxch-658p-46rq is a security advisory published by GitHub Security Advisories with High severity. Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker...

Which CVE IDs does GHSA-rxch-658p-46rq cover?

GHSA-rxch-658p-46rq covers the following CVE IDs: CVE-2026-38426. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rxch-658p-46rq?

GHSA-rxch-658p-46rq has a CVSS v3 base score of 7.3, published by GitHub Security Advisories.

GHSA-rxch-658p-46rqHighCVSS 7.3

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker...

Vendor

GitHub Security Advisories

Published

May 27, 2026

Last Modified

May 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-38426 →

📋 Description

Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv_10_scripter.ino, fetch_jpg(), jpg_task.boundary[40], strcpy() function.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-38426
https://github.com/arendst/Tasmota/blob/c207cc2/tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino
https://github.com/sermikr0/CVE-2026-38426
https://github.com/advisories/GHSA-rxch-658p-46rq