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Threats Tagged 'cve-2026-84305'

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Active filters (1):Tag: cve-2026-84305

Threats Tagged 'cve-2026-84305'

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A security update for python-sqlparse addresses CVE-2026-84305, which involves near-cap quadratic CPU consumption caused by reindentation of tuple lists. This vulnerability can lead to excessive CPU usage during processing. The issue affects specific versions of python313-sqlparse packaged for SUSE Linux Enterprise Server 16.0 and openSUSE Leap 16.0. There is no CVSS score available, but the severity is assessed as medium based on the impact described.

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sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, sqlparse.format(sql, reindent=True) and sqlformat --reindent route attacker-controlled parenthesized tuple lists through ReindentFilter._get_offset() in sqlparse/filters/reindent.py, where _flatten_up_to_token() repeatedly rebuilds and joins the statement prefix. Thousands of offset calculations walk an expanding token tree, producing quadratic CPU consumption for inputs that remain below MAX_GROUPING_TOKENS and causing request delays, reduced throughput, or worker starvation. This issue is fixed in version 0.6.0.

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