diff options
Diffstat (limited to 'src/image')
-rw-r--r-- | src/image/jpeg/scan.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/image/jpeg/scan.go b/src/image/jpeg/scan.go index 8d81b0808..2bd1d9d53 100644 --- a/src/image/jpeg/scan.go +++ b/src/image/jpeg/scan.go @@ -65,7 +65,13 @@ func (d *decoder) processSOS(n int) error { } scan[i].compIndex = uint8(compIndex) scan[i].td = d.tmp[2+2*i] >> 4 + if scan[i].td > maxTh { + return FormatError("bad Td value") + } scan[i].ta = d.tmp[2+2*i] & 0x0f + if scan[i].ta > maxTh { + return FormatError("bad Ta value") + } } // zigStart and zigEnd are the spectral selection bounds. |