A stack-based buffer overflow exists in the ImageMagick FTXT image reader. A crafted FTXT file can cause out-of-bounds writes on the stack, leading to a crash.
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==3537074==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffee4850ef0 at pc 0x5607c408fb33 bp 0x7ffee484fe50 sp 0x7ffee484fe40
WRITE of size 1 at 0x7ffee4850ef0 thread T0
{
"cwe_ids": [
"CWE-121"
],
"github_reviewed": true,
"github_reviewed_at": "2026-02-24T15:43:02Z",
"nvd_published_at": "2026-02-24T02:16:01Z",
"severity": "HIGH"
}