diff options
Diffstat (limited to 'gnu/packages/patches/vim-CVE-2017-5953.patch')
| -rw-r--r-- | gnu/packages/patches/vim-CVE-2017-5953.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gnu/packages/patches/vim-CVE-2017-5953.patch b/gnu/packages/patches/vim-CVE-2017-5953.patch new file mode 100644 index 0000000000..070f98c2cb --- /dev/null +++ b/gnu/packages/patches/vim-CVE-2017-5953.patch @@ -0,0 +1,32 @@ +Fix CVE-2017-5953: + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5953 +https://groups.google.com/forum/#!topic/vim_dev/t-3RSdEnrHY + +This change is adapted from the upstream source repository: + +https://github.com/vim/vim/commit/6d3c8586fc81b022e9f06c611b9926108fb878c7 + +diff --git a/src/spellfile.c b/src/spellfile.c +index c7d87c6..00ef019 100644 +--- a/src/spellfile.c ++++ b/src/spellfile.c +@@ -1585,7 +1585,7 @@ spell_read_tree( + int prefixtree, /* TRUE for the prefix tree */ + int prefixcnt) /* when "prefixtree" is TRUE: prefix count */ + { +- int len; ++ long len; + int idx; + char_u *bp; + idx_T *ip; +@@ -1595,6 +1595,9 @@ spell_read_tree( + len = get4c(fd); + if (len < 0) + return SP_TRUNCERROR; ++ if (len >= LONG_MAX / (long)sizeof(int)) ++ /* Invalid length, multiply with sizeof(int) would overflow. */ ++ return SP_FORMERROR; + if (len > 0) + { + /* Allocate the byte array. */ |