[MDEV-39750] ExtractValue does not control recursion depth - Jira

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Details

Type: Bug
Status: Closed (View Workflow)
Priority: Blocker
Resolution: Fixed
Affects Version/s: 10.6(EOL), 10.11, 11.4, 11.8, 12.3
Fix Version/s: 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2
Component/s: XML Functions
Labels:
None

Bug Category:
Can result in hang or crash
Sprint:
Q3/2026 Server Maintenance

Description

SELECT ExtractValue('<a/>', REPEAT('(', 100000));

Reported by Chris Anley at NCC Group

Attachments

Issue Links

relates to

MDEV-40849 Server crash in ExtractValue and UpdateXML on a deeply nested XPath predicate

Closed

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Activity

People

Assignee:: Alexey Botchkov

Reporter:: Sergei Golubchik

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 2026-05-25 09:55

Updated:: 5 days ago 15:52

Resolved:: 2026-07-19 21:26

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