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Trouble with DuckDB integer

2 posts from 1 person2d activeFading, +0 this weekunverified

Posts per day

Posts per day2 posts, Sep 2 to Nov 11

The posts behind it

GitHub issuesduckdb/duckdb · ylwango613Oct 2

ManualVuln29 Signed Integer Overflow in ICUCalendarSub via TIMESTAMPTZ Subtraction with INT64_MIN Interval Micros

### What happens? `ICUCalendarSub::Operation(timestamp_tz_t timestamp, interval_t interval, TZCalendar &calendar)` in `extension/icu/icu-dateadd.cpp` at line 136 constructs a negated interval with: This negates `interval.micros` (type `int64_t`) without any bounds check. When...

GitHub issuesduckdb/duckdb · ylwango613Sep 2

Bug93: Integer Truncation in `FirstStringStateBase::Assign` Leads to Heap Buffer Overflow with Large Strings

### What happens? In `src/function/aggregate/distributive/first_last_any.cpp`, `FirstStringStateBase::Assign()` computes the arena allocation size by calling `UnsafeNumericCast (NextPowerOfTwo(len))`. For any string whose length is in the range `(2^31, 2^32-1]` - which DuckDB's...

Companies and products named

2 posts
About this problem

Evidence

2 posts from 1 person in 1 place, about 1 a week over 31 days. Mostly on duckdb/duckdb.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about DuckDB with no known issue, sharing the word "integer". First post Sep 2, 2026, latest Oct 2, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

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History

First seen with 2 posts; the top post now: "ManualVuln29 Signed Integer Overflow in ICUCalendarSub via TIMESTAMPTZ Subtraction with INT64_MIN Interval".

Nov 11, 2026