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Fencer Vulns
medium 5.5

CVE-2023-30608 json

Parser contains an inefficient regular expression in sqlparse

published 2023-04-18 3 y ago modified 2026-06-17 4 mo ago also GHSA-rrm6-wvj7-cwh2 , PYSEC-2023-87 , EUVD-2023-0243

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

sqlparse is a non-validating SQL parser module for Python. In affected versions the SQL parser contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service). This issue was introduced by commit `e75e358`. The vulnerability may lead to Denial of Service (DoS). This issues has been fixed in sqlparse 0.4.4 by commit `c457abd5f`. Users are advised to upgrade. There are no known workarounds for this issue.

Patch / fix

  • pypi sqlparse 0.4.4
  • sqlparse_project sqlparse 0.4.4
  • sqlparse Debian 12 0.4.2-1+deb12u1
  • sqlparse Debian 14, Debian 13 0.4.4-1

debian advisories DEBIAN-CVE-2023-30608

  • sqlparse Ubuntu 18.04 LTS 0.2.4-0.1ubuntu0.1
  • sqlparse Ubuntu 20.04 LTS 0.2.4-3ubuntu0.1
  • sqlparse Ubuntu 22.04 LTS 0.4.2-1ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2023-30608

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • foreman satellite utils 6.14, satellite capsule 6.14, satellite 6.14 3.7.0.9-1.el8sat
  • foreman-cli satellite utils 6.14, satellite 6.14 3.7.0.9-1.el8sat
  • foreman-ec2 satellite 6.14 3.7.0.9-1.el8sat
  • rubygem-git satellite 6.14 1.18.0-1.el8sat
  • puppet-agent satellite capsule 6.14, satellite 6.14 7.26.0-3.el8sat
  • puppetserver satellite capsule 6.14, satellite 6.14 7.11.0-1.el8sat
  • rubygem-rack satellite capsule 6.14, satellite 6.14 2.2.7-1.el8sat
  • foreman-ovirt satellite 6.14 3.7.0.9-1.el8sat

red hat advisories RHSA-2023:6818RHSA-2023:4591

  • protobuf SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4 +17 more 25.1-150400.9.6.1
  • python-py SLE Module for Python 3 15 SP6, SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP4 +6 more 1.11.0-150400.12.7.2
  • python-rsa SLE Module for Python 3 15 SP6, SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP4 +6 more 4.9-150400.12.7.1
  • python-cffi SLE Module for Python 3 15 SP6, SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP4 +6 more 1.15.1-150400.8.7.2
  • python-idna SLE Module for Python 3 15 SP6, SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP4 +6 more 3.4-150400.11.6.1
  • python-pytz SLE Module for Python 3 15 SP6, SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP4 +6 more 2023.3-150400.6.6.1
  • python-apipkg SLE Module for Python 3 15 SP6, SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP4 +6 more 3.0.1-150400.12.6.1
  • python-pyasn1 SLE Module for Python 3 15 SP6, SLE Module for Python 3 15 SP5, SLE Module for Public Cloud 15 SP4 +6 more 0.5.0-150400.12.7.2

suse advisories SUSE-RU-2024:1637-3SUSE-RU-2024:1637-2SUSE-RU-2024:1637-1SUSE-SU-2023:2787-1SUSE-SU-2023:2693-1SUSE-SU-2023:2619-1

  • python-sqlparse openSUSE Tumbleweed 0.5.5-2.1
  • python-sqlparse openSUSE Tumbleweed 0.4.4-1.1

opensuse advisories openSUSE-SU-2026:11221-1openSUSE-SU-2024:12957-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-30608 updated cvss 7.5

sqlparse: Parser contains a regular expression that is vulnerable to ReDOS (Regular Expression Denial of Service)

  • Red Hat Ansible Automation Platform 2 python-sqlparse
    affected: no fix available
  • Red Hat OpenShift Container Platform 4 python2-sqlparse, python3-sqlparse
    affected: no fix planned “Will not fix”
  • Red Hat OpenStack Platform 13 (Queens) python-sqlparse
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 16.1 python3-sqlparse Red Hat OpenStack Platform 16.2 python3-sqlparse
    affected: no fix planned “Will not fix”
  • Red Hat OpenStack Platform 17.0 python3-sqlparse
    affected: no fix planned “Out of support scope”
  • Red Hat Satellite 6.14 for RHEL 8 python-sqlparse 0.4.4-1.el8pc, python39-sqlparse 0.4.4-1.el8pc
    fixed: vendor fix RHSA-2023:6818
  • Red Hat RHUI 4 for RHEL 8 python-sqlparse 0.4.4-1.0.1.el8ui, python39-sqlparse 0.4.4-1.0.1.el8ui
    fixed: vendor fix RHSA-2023:4591
  • Red Hat Satellite 6.14 for RHEL 8 cjson 1.7.14-5.el8sat, katello 4.9.0-1.el8sat, libsolv 0.7.22-4.el8pc, libcomps 0.1.18-4.el8pc, python-idna 3.3-2.el8pc, candlepin 4.3.1-1.el8sat, +667 more Red Hat RHUI 4 for RHEL 8 rhui-tools 4.5.0.5-1.el8ui, rhui-installer 4.5.0.1-1.el8ui, rhui-tools-libs 4.5.0.5-1.el8ui, python-django 3.2.19-1.0.1.el8ui, python39-django 3.2.19-1.0.1.el8ui
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi sqlparse
>=0.1.15, <0.4.4
0.4.4

Affected products

  • andialbrecht sqlparse

Classification

Weakness
  • CWE-1333 Inefficient Regular Expression Complexity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.