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author | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-21 09:44:40 (GMT) |
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committer | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-21 09:44:40 (GMT) |
commit | 6481bfb2b5c917041f062da8ebcc7bd7b7727945 (patch) | |
tree | 0bfde20393dc4b3514d2734b46bd64354b3b2fdf /Objects | |
parent | a12ff2c682df32c58fae23eef27ab0273f7b8659 (diff) | |
parent | c35f3a9f619d0d4abd43d16ddc4767e2a30c3dce (diff) | |
download | cpython-6481bfb2b5c917041f062da8ebcc7bd7b7727945.zip cpython-6481bfb2b5c917041f062da8ebcc7bd7b7727945.tar.gz cpython-6481bfb2b5c917041f062da8ebcc7bd7b7727945.tar.bz2 |
Issue #16335: Fix integer overflow in unicode-escape decoder.
Diffstat (limited to 'Objects')
-rw-r--r-- | Objects/unicodeobject.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index bd0dbb4..15c284f 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -5569,7 +5569,8 @@ PyUnicode_DecodeUnicodeEscape(const char *s, /* found a name. look it up in the unicode database */ message = "unknown Unicode character name"; s++; - if (ucnhash_CAPI->getcode(NULL, start, (int)(s-start-1), + if (s - start - 1 <= INT_MAX && + ucnhash_CAPI->getcode(NULL, start, (int)(s-start-1), &chr, 0)) goto store; } |