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SUSE Python-SQLParse Important DoS Security Fix SUSE-SU-2026-3910

SUSE Python-SQLParse Important DoS Security Fix SUSE-SU-2026-3910

Linuxsecurity •LinuxSecurity Advisories • September 1, 2026

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## This update for python-sqlparse fixes the following issues: * CVE-2026-54284: TokenList.**init** materializes O(subtree) value per group, causing CPU DoS before depth/token caps trigger (bsc#1275459). * CVE-2026-59893: Inefficient Regex Handling of Dollar-Quoted SQL Literals Leads to ReDoS (bsc#1275461). * CVE-2026-59894: Generated Python and PHP snippets allow SQL string breakout through unescaped backslashes (bsc#1275460). * CVE-2026-71491: quadratic O(n2) DoS in group_comments (bsc#1275466). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-3910=1 * Public Cloud Module 15-SP4

## This update for python-sqlparse fixes the following issues: * CVE-2026-54284: TokenList.**init** materializes O(subtree) value per group, causing CPU DoS before depth/token caps trigger (bsc#1275459). * CVE-2026-59893: Inefficient Regex Handling of Dollar-Quoted SQL Literals Leads to ReDoS (bsc#1275461). * CVE-2026-59894: Generated Python and PHP snippets allow SQL string breakout through unescaped backslashes (bsc#1275460). * CVE-2026-71491: quadratic O(n2) DoS in group_comments (bsc#1275466). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-3910=1 * Public Cloud Module 15-SP4

* CVE-2026-54284 ( SUSE ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-54284 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-54284 ( NVD ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-59893 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Announcement ID: SUSE-SU-2026:3910-1 Release Date: 2026-09-01T10:04:38Z Rating: important

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