Fix CVE-2011-4516 and CVE-2011-4517 (heap buffer overflow flaws lead to arbitrary code execution). Copied from Fedora. http://pkgs.fedoraproject.org/cgit/rpms/jasper.git/tree/jasper-1.900.1-CVE-2011-4516-CVE-2011-4517-CERT-VU-887409.patch https://bugzilla.redhat.com/show_bug.cgi?id=747726 diff -up jasper-1.900.1/src/libjasper/jpc/jpc_cs.c.CERT-VU-887409 jasper-1.900.1/src/libjasper/jpc/jpc_cs.c --- jasper-1.900.1/src/libjasper/jpc/jpc_cs.c.CERT-VU-887409 2011-10-25 17:25:39.000000000 +0200 +++ jasper-1.900.1/src/libjasper/jpc/jpc_cs.c 2011-10-25 17:29:14.379371908 +0200 @@ -744,6 +744,10 @@ static int jpc_cox_getcompparms(jpc_ms_t return -1; } compparms->numrlvls = compparms->numdlvls + 1; + if (compparms->numrlvls > JPC_MAXRLVLS) { + jpc_cox_destroycompparms(compparms); + return -1; + } if (prtflag) { for (i = 0; i < compparms->numrlvls; ++i) { if (jpc_getuint8(in, &tmp)) { @@ -1331,7 +1335,7 @@ static int jpc_crg_getparms(jpc_ms_t *ms jpc_crgcomp_t *comp; uint_fast16_t compno; crg->numcomps = cstate->numcomps; - if (!(crg->comps = jas_alloc2(cstate->numcomps, sizeof(uint_fast16_t)))) { + if (!(crg->comps = jas_alloc2(cstate->numcomps, sizeof(jpc_crgcomp_t)))) { return -1; } for (compno = 0, comp = crg->comps; compno < cstate->numcomps;