diff options
Diffstat (limited to 'gnu/packages/patches/jasper-CVE-2007-2721.patch')
| -rw-r--r-- | gnu/packages/patches/jasper-CVE-2007-2721.patch | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gnu/packages/patches/jasper-CVE-2007-2721.patch b/gnu/packages/patches/jasper-CVE-2007-2721.patch new file mode 100644 index 0000000000..9838247894 --- /dev/null +++ b/gnu/packages/patches/jasper-CVE-2007-2721.patch @@ -0,0 +1,20 @@ +Fix CVE-2007-2721 (heap corruption in jpc_qcx_getcompparms()). + +Copied from Fedora. + +http://pkgs.fedoraproject.org/cgit/rpms/jasper.git/tree/patch-libjasper-stepsizes-overflow.diff + +--- jasper-1.900.1.orig/src/libjasper/jpc/jpc_cs.c 2007-01-19 22:43:07.000000000 +0100 ++++ jasper-1.900.1/src/libjasper/jpc/jpc_cs.c 2007-04-06 01:29:02.000000000 +0200 +@@ -982,7 +982,10 @@ static int jpc_qcx_getcompparms(jpc_qcxc + 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_fast16_t)); + assert(compparms->stepsizes); |