CVE-2026-61495

TinyUSB through 0.21.0, fixed in commit e85c2b8, contains an out-of-bounds write vulnerability in the MTP device class helper mtpcontainergetstring in src/class/mtp/mtp.h that allows a malicious USB host to corrupt adjacent memory by supplying a crafted MTP string with an unbounded character coun...

CVE-2026-61495 TinyUSB 0.21.0 Out-of-Bounds Write via mtp_container_get_string()

TinyUSB through 0.21.0, fixed in commit e85c2b8, contains an out-of-bounds write vulnerability in the MTP device class helper mtpcontainergetstring in src/class/mtp/mtp.h that allows a malicious USB host to corrupt adjacent memory by supplying a crafted MTP string with an unbounded character coun...

EUVD-2026-116211

TinyUSB through 0.21.0, fixed in commit e85c2b8, contains an out-of-bounds write vulnerability in the MTP device class helper mtpcontainergetstring in src/class/mtp/mtp.h that allows a malicious USB host to corrupt adjacent memory by supplying a crafted MTP string with an unbounded character coun...

CVE-2026-61495

TinyUSB versions through 0.21.0 are vulnerable to an out-of-bounds write in the MTP device class helper function mtp_container_get_string() located in src/class/mtp/mtp.h. The root cause is an unchecked memcpy operation that copies up to 510 bytes into a fixed-size destination buffer when process...