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[C++][Gandiva] Some string functions may be overflowed #49753
Description
Describe the bug, including details regarding any error messages, version, and platform.
Related issue: #49159
See also: https://huntr.com/bounties/12ee8dbe-0ac7-4724-9fd9-d4f203b36c62
We need to review all string functions.
Component(s)
C++, Gandiva
Activity
kou commentedon Apr 15, 2026
@dmitry-chirkov-dremio @lriggs @akravchukdremio @xxlaykxx Could you take a look at this?
dmitry-chirkov-dremio commentedon Apr 17, 2026
@kou I'm tracking few issues internally for Dremio that I'd like to get to (eventually) so yeas, this would fit.
Examples:
I can't commit myself or the team right this moment to this however huntr report looks very actionable for myself being bored one of these weekends.
Anything else on your list that caught your eye?
kou commentedon Apr 18, 2026
Thanks. There are only 2 active reports (that aren't fixed yet) for Gandiva (this and #49752) and they are already rejected. They are just normal bugs not security vulnerabilities.
abtom87 commentedon Apr 19, 2026
@kou Is this already taken or could i have a look at this bug?
kou commentedon Apr 19, 2026
You can have a look at this bug.
abtom87 commentedon Apr 19, 2026
take
apacheGH-49753: [C++][Gandiva] Fix overflow in string functions.
apacheGH-49753: [C++][Gandiva] Fix overflow in string functions.
apacheGH-49753: [C++][Gandiva] Fix overflow in string functions.
apacheGH-49753: [C++][Gandiva] Fix overflow in string functions.
apacheGH-49753: [C++][Gandiva] Fix overflow in string functions.
27 remaining items
apacheGH-49753: [C++][Gandiva] Minor fix in translate_utf8_utf8_utf8
apacheGH-49753: [C++][Gandiva] Minor fix in translate_utf8_utf8_utf8
apacheGH-49753: [C++][Gandiva] Minor fix in translate_utf8_utf8_utf8
apacheGH-49753: [C++][Gandiva] Minor fix in translate_utf8_utf8_utf8
apacheGH-49753: [C++][Gandiva] Fix string functions in gdv_string_fun…
apacheGH-49753: [C++][Gandiva] Fix string based functions in string_ops.
apacheGH-49753: [C++][Gandiva] Added a helper function for concat_ws
apacheGH-49753: [C++][Gandiva]: Incorporated review comments.
apacheGH-49753: [C++][Gandiva]: Incorporated review comments.
apacheGH-49753: [C++][Gandiva]: Incorporated review comments.
apachegH-49753: [C++][Gandiva] Minor fix in translate_utf8_utf8_utf8
GH-49753: [C++][Gandiva] Fix overflow in string functions (#49813)
kou commentedon Jun 17, 2026
Issue resolved by pull request 49813
#49813