diff options
Diffstat (limited to 'meta/recipes-extended/ghostscript/ghostscript/CVE-2017-5951.patch')
| -rw-r--r-- | meta/recipes-extended/ghostscript/ghostscript/CVE-2017-5951.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2017-5951.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2017-5951.patch new file mode 100644 index 0000000000..62cc1342ad --- /dev/null +++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2017-5951.patch @@ -0,0 +1,44 @@ +From bfa6b2ecbe48edc69a7d9d22a12419aed25960b8 Mon Sep 17 00:00:00 2001 +From: Chris Liddell <chris.liddell@artifex.com> +Date: Thu, 6 Apr 2017 16:44:54 +0100 +Subject: [PATCH] Bug 697548: use the correct param list enumerator + +When we encountered dictionary in a ref_param_list, we were using the enumerator +for the "parent" param_list, rather than the enumerator for the param_list +we just created for the dictionary. That parent was usually the stack +list enumerator, and caused a segfault. + +Using the correct enumerator works better. + +Upstream-Status: Backport +CVE: CVE-2017-5951 + +Signed-off-by: Catalin Enache <catalin.enache@windriver.com> +--- + psi/iparam.c | 7 ++++--- + 1 file changed, 4 insertions(+), 3 deletions(-) + +diff --git a/psi/iparam.c b/psi/iparam.c +index 4e63b6d..b2fa85f 100644 +--- a/psi/iparam.c ++++ b/psi/iparam.c +@@ -770,12 +770,13 @@ ref_param_read_typed(gs_param_list * plist, gs_param_name pkey, + gs_param_enumerator_t enumr; + gs_param_key_t key; + ref_type keytype; ++ dict_param_list *dlist = (dict_param_list *) pvalue->value.d.list; + + param_init_enumerator(&enumr); +- if (!(*((iparam_list *) plist)->enumerate) +- ((iparam_list *) pvalue->value.d.list, &enumr, &key, &keytype) ++ if (!(*(dlist->enumerate)) ++ ((iparam_list *) dlist, &enumr, &key, &keytype) + && keytype == t_integer) { +- ((dict_param_list *) pvalue->value.d.list)->int_keys = 1; ++ dlist->int_keys = 1; + pvalue->type = gs_param_type_dict_int_keys; + } + } +-- +2.10.2 + |