| Package | Affected versions | Patched versions |
|---|---|---|
| gpl ghostscript | < 9.21 | 9.21 |
| jbig2dec | ≤ 0.13 |
ghostscript before version 9.21 is vulnerable to a heap based buffer overflow that was found in the ghostscript jbig2_decode_gray_scale_image function which is used to decode halftone segments in a JBIG2 image. A document (PostScript or PDF) with an embedded, specially crafted, jbig2 image could trigger a segmentation fault in ghostscript.
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