26697369156
89%

Ran 30 May 2026 11:09PM UTC

Jobs 5

Files 103

Run time 1min

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Committed 30 May 2026 11:07PM UTC coverage: 88.924%. Remained the same

Build # 26697369156

Build Type

push

github

Committed by

marcelometal

Commit Message

fix: prevent DoS via divide-by-zero in convolution filter (columns=0)

Passing columns=0 to filters:convolution() reached the C extension and
triggered a SIGFPE, crashing the process (remote DoS).

convolution.py: use PositiveNonZeroNumber to reject columns=0 at the regex
level before the filter is instantiated.

convolution.c: guard columns_count <= 0 with a ValueError before any % or /
operation.

Regression tests added for both layers.

Coverage Stats

3942 of 4433 relevant lines covered (88.92%)

4.45 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	run-3.11 - 26697369156.1	30 May 2026 11:10PM UTC	103	88.92	GitHub Action Run
2	run-3.10 - 26697369156.2	30 May 2026 11:09PM UTC	103	88.92	GitHub Action Run
3	run-3.13 - 26697369156.3	30 May 2026 11:09PM UTC	103	88.92	GitHub Action Run
4	run-3.14 - 26697369156.4	30 May 2026 11:09PM UTC	103	88.92	GitHub Action Run
5	run-3.12 - 26697369156.5	30 May 2026 11:09PM UTC	103	88.92	GitHub Action Run

thumbor / thumbor / 26697369156
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