diff options
Diffstat (limited to 'app-text/ghostscript-gnu/files/ghostscript-CVE-2007-2721.patch')
| -rw-r--r-- | app-text/ghostscript-gnu/files/ghostscript-CVE-2007-2721.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/app-text/ghostscript-gnu/files/ghostscript-CVE-2007-2721.patch b/app-text/ghostscript-gnu/files/ghostscript-CVE-2007-2721.patch new file mode 100644 index 000000000000..799bf51ee63f --- /dev/null +++ b/app-text/ghostscript-gnu/files/ghostscript-CVE-2007-2721.patch @@ -0,0 +1,47 @@ +--- /trunk/gs/jasper/src/libjasper/jp2/jp2_cod.c 2007/10/17 18:27:58 8297 ++++ trunk/gs/jasper/src/libjasper/jp2/jp2_cod.c 2007/10/17 23:04:50 8298 +@@ -247,7 +247,7 @@ + box = 0; + tmpstream = 0; + +- if (!(box = jas_malloc(sizeof(jp2_box_t)))) { ++ if (!(box = jas_calloc(1, sizeof(jp2_box_t)))) { + goto error; + } + box->ops = &jp2_boxinfo_unk.ops; +--- /trunk/gs/jasper/src/libjasper/jpc/jpc_cs.c 2007/10/17 18:27:58 8297 ++++ trunk/gs/jasper/src/libjasper/jpc/jpc_cs.c 2007/10/17 23:04:50 8298 +@@ -991,7 +991,10 @@ + compparms->numstepsizes = (len - n) / 2; + break; + } +-if (compparms->numstepsizes > 0) { ++if (compparms->numstepsizes > 3 * JPC_MAXRLVLS + 1) { ++ jpc_qcx_destroycompparms(compparms); ++ return -1; ++ } else if (compparms->numstepsizes > 0) { + compparms->stepsizes = jas_malloc(compparms->numstepsizes * + sizeof(uint_fast32_t)); + assert(compparms->stepsizes); +--- /trunk/gs/jasper/src/libjasper/jpc/jpc_dec.c 2007/10/17 18:27:58 8297 ++++ trunk/gs/jasper/src/libjasper/jpc/jpc_dec.c 2007/10/17 23:04:50 8298 +@@ -1219,7 +1219,7 @@ + dec->numhtiles = JPC_CEILDIV(dec->xend - dec->tilexoff, dec->tilewidth); + dec->numvtiles = JPC_CEILDIV(dec->yend - dec->tileyoff, dec->tileheight); + dec->numtiles = dec->numhtiles * dec->numvtiles; +- if (!(dec->tiles = jas_malloc(dec->numtiles * sizeof(jpc_dec_tile_t)))) { ++ if (!(dec->tiles = jas_calloc(dec->numtiles, sizeof(jpc_dec_tile_t)))) { + return -1; + } + +@@ -1243,7 +1243,7 @@ + tile->pkthdrstreampos = 0; + tile->pptstab = 0; + tile->cp = 0; +- if (!(tile->tcomps = jas_malloc(dec->numcomps * ++ if (!(tile->tcomps = jas_calloc(dec->numcomps, + sizeof(jpc_dec_tcomp_t)))) { + return -1; + } + + |