diff options
Diffstat (limited to 'gnu/packages/patches/pcre-CVE-2017-7186.patch')
| -rw-r--r-- | gnu/packages/patches/pcre-CVE-2017-7186.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gnu/packages/patches/pcre-CVE-2017-7186.patch b/gnu/packages/patches/pcre-CVE-2017-7186.patch new file mode 100644 index 0000000000..d23aa10374 --- /dev/null +++ b/gnu/packages/patches/pcre-CVE-2017-7186.patch @@ -0,0 +1,56 @@ +Patch for <https://nvd.nist.gov/vuln/detail?vulnId=CVE-2017-7186> +from <https://vcs.pcre.org/pcre?view=revision&revision=1688>. + +--- trunk/pcre_internal.h 2016/05/21 13:34:44 1649 ++++ trunk/pcre_internal.h 2017/02/24 17:30:30 1688 +@@ -2772,6 +2772,9 @@ + extern const pcre_uint16 PRIV(ucd_stage2)[]; + extern const pcre_uint32 PRIV(ucp_gentype)[]; + extern const pcre_uint32 PRIV(ucp_gbtable)[]; ++#ifdef COMPILE_PCRE32 ++extern const ucd_record PRIV(dummy_ucd_record)[]; ++#endif + #ifdef SUPPORT_JIT + extern const int PRIV(ucp_typerange)[]; + #endif +@@ -2780,9 +2783,15 @@ + /* UCD access macros */ + + #define UCD_BLOCK_SIZE 128 +-#define GET_UCD(ch) (PRIV(ucd_records) + \ ++#define REAL_GET_UCD(ch) (PRIV(ucd_records) + \ + PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \ + UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE]) ++ ++#ifdef COMPILE_PCRE32 ++#define GET_UCD(ch) ((ch > 0x10ffff)? PRIV(dummy_ucd_record) : REAL_GET_UCD(ch)) ++#else ++#define GET_UCD(ch) REAL_GET_UCD(ch) ++#endif + + #define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype + #define UCD_SCRIPT(ch) GET_UCD(ch)->script + +--- trunk/pcre_ucd.c 2014/06/19 07:51:39 1490 ++++ trunk/pcre_ucd.c 2017/02/24 17:30:30 1688 +@@ -38,6 +38,20 @@ + const pcre_uint32 PRIV(ucd_caseless_sets)[] = {0}; + #else + ++/* If the 32-bit library is run in non-32-bit mode, character values ++greater than 0x10ffff may be encountered. For these we set up a ++special record. */ ++ ++#ifdef COMPILE_PCRE32 ++const ucd_record PRIV(dummy_ucd_record)[] = {{ ++ ucp_Common, /* script */ ++ ucp_Cn, /* type unassigned */ ++ ucp_gbOther, /* grapheme break property */ ++ 0, /* case set */ ++ 0, /* other case */ ++ }}; ++#endif ++ + /* When recompiling tables with a new Unicode version, please check the + types in this structure definition from pcre_internal.h (the actual + field names will be different): |