Avoid reading past datum end when parsing JSON.
Several loops in the JSON parser examined a byte in memory just before
checking whether its address was in-bounds, so they could read one byte
beyond the datum's allocation. A SIGSEGV is possible. New in 9.3, so
no back-patch.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/66008564f8ce570f7ad6368fbde2138e946d328b
Modified Files
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src/backend/utils/adt/json.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)