Is CVE-2024-21503 in the CISA KEV catalog?

No. CVE-2024-21503 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-21503?

CVE-2024-21503 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2024-21503?

CVE-2024-21503 has an EPSS score of 0.97% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21503?

Upgrade black on debian 13 to 24.4.0-1 or later. Fixes are available for 175 affected products.

CVE & CISA-KEV Catalog

CVE-2024-21503

MEDIUM

5.3

CVSS v3

NVD

Description

Versions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could exploit this vulnerability by crafting a malicious input that causes a denial of service. Exploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings.

CWE-1333 CWE-75

How to fix

Remediation Available

blackDebian

Fixed in:24.4.0-1CVE-2024-21503

ansible-automation-platform-installerRocky

Fixed in:0:2.4-7.1.el8apRHSA-2024:3781

Fixed in:0:2.4-7.1.el9apRHSA-2024:3781

ansible-automation-platform-installerRed Hat / RHEL

Fixed in:0:2.4-7.1.el8apRHSA-2024:3781

Fixed in:0:2.4-7.1.el9apRHSA-2024:3781

ansible-coreRed Hat / RHEL

Fixed in:1:2.15.11-1.el8apRHSA-2024:3781

Fixed in:1:2.15.11-1.el9apRHSA-2024:3781

ansible-coreRocky

Fixed in:1:2.15.11-1.el8apRHSA-2024:3781

Fixed in:1:2.15.11-1.el9apRHSA-2024:3781

ansible-rulebookRed Hat / RHEL

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

ansible-rulebookRocky

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

ansible-testRed Hat / RHEL

Fixed in:1:2.15.11-1.el8apRHSA-2024:3781

Fixed in:1:2.15.11-1.el9apRHSA-2024:3781

ansible-testRocky

Fixed in:1:2.15.11-1.el8apRHSA-2024:3781

Fixed in:1:2.15.11-1.el9apRHSA-2024:3781

automation-controllerRocky

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controllerRed Hat / RHEL

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-cliRed Hat / RHEL

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-cliRocky

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-serverRocky

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-serverRed Hat / RHEL

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-uiRed Hat / RHEL

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-uiRocky

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-venv-towerRed Hat / RHEL

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-controller-venv-towerRocky

Fixed in:0:4.5.7-1.el8apRHSA-2024:3781

Fixed in:0:4.5.7-1.el9apRHSA-2024:3781

automation-eda-controllerRocky

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

automation-eda-controllerRed Hat / RHEL

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

automation-eda-controller-serverRed Hat / RHEL

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

automation-eda-controller-serverRocky

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

automation-eda-controller-uiRed Hat / RHEL

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

automation-eda-controller-uiRocky

Fixed in:0:1.0.7-1.el8apRHSA-2024:3781

Fixed in:0:1.0.7-1.el9apRHSA-2024:3781

automation-hubRed Hat / RHEL

Fixed in:0:4.9.2-1.el8apRHSA-2024:3781

Fixed in:0:4.9.2-1.el9apRHSA-2024:3781

automation-hubRocky

Fixed in:0:4.9.2-1.el8apRHSA-2024:3781

Fixed in:0:4.9.2-1.el9apRHSA-2024:3781

python-aiohttpRed Hat / RHEL

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python-aiohttpRocky

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python-aiohttp-debugsourceRocky

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python-aiohttp-debugsourceRed Hat / RHEL

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python-blackRocky

Fixed in:0:22.8.0-2.el9apRHSA-2024:3781

python-blackRed Hat / RHEL

Fixed in:0:22.8.0-2.el9apRHSA-2024:3781

python-cryptographyRocky

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python-cryptographyRed Hat / RHEL

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python-cryptography-debugsourceRed Hat / RHEL

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python-cryptography-debugsourceRocky

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python-galaxy-ngRocky

Fixed in:0:4.9.2-1.el9apRHSA-2024:3781

python-galaxy-ngRed Hat / RHEL

Fixed in:0:4.9.2-1.el9apRHSA-2024:3781

python-gunicornRed Hat / RHEL

Fixed in:0:22.0.0-1.el9apRHSA-2024:3781

python-gunicornRocky

Fixed in:0:22.0.0-1.el9apRHSA-2024:3781

python-idnaRocky

Fixed in:0:3.7-1.el9apRHSA-2024:3781

python-idnaRed Hat / RHEL

Fixed in:0:3.7-1.el9apRHSA-2024:3781

python-jinja2Rocky

Fixed in:0:3.1.4-1.el9apRHSA-2024:3781

python-jinja2Red Hat / RHEL

Fixed in:0:3.1.4-1.el9apRHSA-2024:3781

python-pillowRed Hat / RHEL

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python-pillowRocky

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python-pillow-debugsourceRocky

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python-pillow-debugsourceRed Hat / RHEL

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python-pulp-ansibleRed Hat / RHEL

Fixed in:1:0.20.7-1.el9apRHSA-2024:3781

python-pulp-ansibleRocky

Fixed in:1:0.20.7-1.el9apRHSA-2024:3781

python-pulpcoreRed Hat / RHEL

Fixed in:0:3.28.27-1.el9apRHSA-2024:3781

python-pulpcoreRocky

Fixed in:0:3.28.27-1.el9apRHSA-2024:3781

python-pyOpenSSLRed Hat / RHEL

Fixed in:0:24.1.0-1.el9apRHSA-2024:3781

python-pyOpenSSLRocky

Fixed in:0:24.1.0-1.el9apRHSA-2024:3781

python-pydanticRed Hat / RHEL

Fixed in:0:1.10.15-1.el9apRHSA-2024:3781

python-pydanticRocky

Fixed in:0:1.10.15-1.el9apRHSA-2024:3781

python-requestsRocky

Fixed in:0:2.32.2-1.el9apRHSA-2024:3781

python-requestsRed Hat / RHEL

Fixed in:0:2.32.2-1.el9apRHSA-2024:3781

python-social-auth-app-djangoRocky

Fixed in:0:5.4.1-1.el9apRHSA-2024:3781

python-social-auth-app-djangoRed Hat / RHEL

Fixed in:0:5.4.1-1.el9apRHSA-2024:3781

python-sqlparseRed Hat / RHEL

Fixed in:0:0.5.0-1.el9apRHSA-2024:3781

python-sqlparseRocky

Fixed in:0:0.5.0-1.el9apRHSA-2024:3781

python3-aiohttpRed Hat / RHEL

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python3-aiohttpRocky

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python3-aiohttp-debuginfoRed Hat / RHEL

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python3-aiohttp-debuginfoRocky

Fixed in:0:3.9.5-1.el9apRHSA-2024:3781

python3-blackRocky

Fixed in:0:22.8.0-2.el9apRHSA-2024:3781

python3-blackRed Hat / RHEL

Fixed in:0:22.8.0-2.el9apRHSA-2024:3781

python3-cryptographyRed Hat / RHEL

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python3-cryptographyRocky

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python3-cryptography-debuginfoRed Hat / RHEL

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python3-cryptography-debuginfoRocky

Fixed in:0:42.0.5-1.el9apRHSA-2024:3781

python3-galaxy-ngRocky

Fixed in:0:4.9.2-1.el9apRHSA-2024:3781

python3-galaxy-ngRed Hat / RHEL

Fixed in:0:4.9.2-1.el9apRHSA-2024:3781

python3-gunicornRed Hat / RHEL

Fixed in:0:22.0.0-1.el9apRHSA-2024:3781

python3-gunicornRocky

Fixed in:0:22.0.0-1.el9apRHSA-2024:3781

python3-idnaRed Hat / RHEL

Fixed in:0:3.7-1.el9apRHSA-2024:3781

python3-idnaRocky

Fixed in:0:3.7-1.el9apRHSA-2024:3781

python3-jinja2Rocky

Fixed in:0:3.1.4-1.el9apRHSA-2024:3781

python3-jinja2Red Hat / RHEL

Fixed in:0:3.1.4-1.el9apRHSA-2024:3781

python3-pillowRocky

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python3-pillowRed Hat / RHEL

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python3-pillow-debuginfoRed Hat / RHEL

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python3-pillow-debuginfoRocky

Fixed in:0:10.3.0-1.el9apRHSA-2024:3781

python3-pulp-ansibleRed Hat / RHEL

Fixed in:1:0.20.7-1.el9apRHSA-2024:3781

python3-pulp-ansibleRocky

Fixed in:1:0.20.7-1.el9apRHSA-2024:3781

python3-pulpcoreRocky

Fixed in:0:3.28.27-1.el9apRHSA-2024:3781

python3-pulpcoreRed Hat / RHEL

Fixed in:0:3.28.27-1.el9apRHSA-2024:3781

python3-pyOpenSSLRocky

Fixed in:0:24.1.0-1.el9apRHSA-2024:3781

python3-pyOpenSSLRed Hat / RHEL

Fixed in:0:24.1.0-1.el9apRHSA-2024:3781

python3-pydanticRocky

Fixed in:0:1.10.15-1.el9apRHSA-2024:3781

python3-pydanticRed Hat / RHEL

Fixed in:0:1.10.15-1.el9apRHSA-2024:3781

python3-requestsRocky

Fixed in:0:2.32.2-1.el9apRHSA-2024:3781

python3-requestsRed Hat / RHEL

Fixed in:0:2.32.2-1.el9apRHSA-2024:3781

python3-social-auth-app-djangoRed Hat / RHEL

Fixed in:0:5.4.1-1.el9apRHSA-2024:3781

python3-social-auth-app-djangoRocky

Fixed in:0:5.4.1-1.el9apRHSA-2024:3781

python3-sqlparseRed Hat / RHEL

Fixed in:0:0.5.0-1.el9apRHSA-2024:3781

python3-sqlparseRocky

Fixed in:0:0.5.0-1.el9apRHSA-2024:3781

python39-aiohttpRed Hat / RHEL

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python39-aiohttpRocky

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python39-aiohttp-debuginfoRed Hat / RHEL

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python39-aiohttp-debuginfoRocky

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python39-blackRocky

Fixed in:0:22.8.0-2.el8apRHSA-2024:3781

python39-blackRed Hat / RHEL

Fixed in:0:22.8.0-2.el8apRHSA-2024:3781

python39-cryptographyRed Hat / RHEL

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python39-cryptographyRocky

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python39-cryptography-debuginfoRed Hat / RHEL

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python39-cryptography-debuginfoRocky

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python39-galaxy-ngRed Hat / RHEL

Fixed in:0:4.9.2-1.el8apRHSA-2024:3781

python39-galaxy-ngRocky

Fixed in:0:4.9.2-1.el8apRHSA-2024:3781

python39-gunicornRed Hat / RHEL

Fixed in:0:22.0.0-1.el8apRHSA-2024:3781

python39-gunicornRocky

Fixed in:0:22.0.0-1.el8apRHSA-2024:3781

python39-idnaRocky

Fixed in:0:3.7-1.el8apRHSA-2024:3781

python39-idnaRed Hat / RHEL

Fixed in:0:3.7-1.el8apRHSA-2024:3781

python39-jinja2Red Hat / RHEL

Fixed in:0:3.1.4-1.el8apRHSA-2024:3781

python39-jinja2Rocky

Fixed in:0:3.1.4-1.el8apRHSA-2024:3781

python39-pillowRed Hat / RHEL

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python39-pillowRocky

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python39-pillow-debuginfoRed Hat / RHEL

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python39-pillow-debuginfoRocky

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python39-pulp-ansibleRocky

Fixed in:1:0.20.7-1.el8apRHSA-2024:3781

python39-pulp-ansibleRed Hat / RHEL

Fixed in:1:0.20.7-1.el8apRHSA-2024:3781

python39-pulpcoreRocky

Fixed in:0:3.28.27-1.el8apRHSA-2024:3781

python39-pulpcoreRed Hat / RHEL

Fixed in:0:3.28.27-1.el8apRHSA-2024:3781

python39-pyOpenSSLRed Hat / RHEL

Fixed in:0:24.1.0-1.el8apRHSA-2024:3781

python39-pyOpenSSLRocky

Fixed in:0:24.1.0-1.el8apRHSA-2024:3781

python39-pydanticRocky

Fixed in:0:1.10.15-1.el8apRHSA-2024:3781

python39-pydanticRed Hat / RHEL

Fixed in:0:1.10.15-1.el8apRHSA-2024:3781

python39-requestsRocky

Fixed in:0:2.32.2-1.el8apRHSA-2024:3781

python39-requestsRed Hat / RHEL

Fixed in:0:2.32.2-1.el8apRHSA-2024:3781

python39-social-auth-app-djangoRed Hat / RHEL

Fixed in:0:5.4.1-1.el8apRHSA-2024:3781

python39-social-auth-app-djangoRocky

Fixed in:0:5.4.1-1.el8apRHSA-2024:3781

python39-sqlparseRed Hat / RHEL

Fixed in:0:0.5.0-1.el8apRHSA-2024:3781

python39-sqlparseRocky

Fixed in:0:0.5.0-1.el8apRHSA-2024:3781

python3x-aiohttpRocky

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python3x-aiohttpRed Hat / RHEL

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python3x-aiohttp-debugsourceRocky

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python3x-aiohttp-debugsourceRed Hat / RHEL

Fixed in:0:3.9.5-1.el8apRHSA-2024:3781

python3x-blackRocky

Fixed in:0:22.8.0-2.el8apRHSA-2024:3781

python3x-blackRed Hat / RHEL

Fixed in:0:22.8.0-2.el8apRHSA-2024:3781

python3x-cryptographyRed Hat / RHEL

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python3x-cryptographyRocky

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python3x-cryptography-debugsourceRed Hat / RHEL

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python3x-cryptography-debugsourceRocky

Fixed in:0:42.0.5-1.el8apRHSA-2024:3781

python3x-galaxy-ngRocky

Fixed in:0:4.9.2-1.el8apRHSA-2024:3781

python3x-galaxy-ngRed Hat / RHEL

Fixed in:0:4.9.2-1.el8apRHSA-2024:3781

python3x-gunicornRed Hat / RHEL

Fixed in:0:22.0.0-1.el8apRHSA-2024:3781

python3x-gunicornRocky

Fixed in:0:22.0.0-1.el8apRHSA-2024:3781

python3x-idnaRocky

Fixed in:0:3.7-1.el8apRHSA-2024:3781

python3x-idnaRed Hat / RHEL

Fixed in:0:3.7-1.el8apRHSA-2024:3781

python3x-jinja2Red Hat / RHEL

Fixed in:0:3.1.4-1.el8apRHSA-2024:3781

python3x-jinja2Rocky

Fixed in:0:3.1.4-1.el8apRHSA-2024:3781

python3x-pillowRed Hat / RHEL

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python3x-pillowRocky

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python3x-pillow-debugsourceRocky

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python3x-pillow-debugsourceRed Hat / RHEL

Fixed in:0:10.3.0-1.el8apRHSA-2024:3781

python3x-pulp-ansibleRocky

Fixed in:1:0.20.7-1.el8apRHSA-2024:3781

python3x-pulp-ansibleRed Hat / RHEL

Fixed in:1:0.20.7-1.el8apRHSA-2024:3781

python3x-pulpcoreRed Hat / RHEL

Fixed in:0:3.28.27-1.el8apRHSA-2024:3781

python3x-pulpcoreRocky

Fixed in:0:3.28.27-1.el8apRHSA-2024:3781

python3x-pyOpenSSLRed Hat / RHEL

Fixed in:0:24.1.0-1.el8apRHSA-2024:3781

python3x-pyOpenSSLRocky

Fixed in:0:24.1.0-1.el8apRHSA-2024:3781

python3x-pydanticRocky

Fixed in:0:1.10.15-1.el8apRHSA-2024:3781

python3x-pydanticRed Hat / RHEL

Fixed in:0:1.10.15-1.el8apRHSA-2024:3781

python3x-requestsRed Hat / RHEL

Fixed in:0:2.32.2-1.el8apRHSA-2024:3781

python3x-requestsRocky

Fixed in:0:2.32.2-1.el8apRHSA-2024:3781

python3x-social-auth-app-djangoRocky

Fixed in:0:5.4.1-1.el8apRHSA-2024:3781

python3x-social-auth-app-djangoRed Hat / RHEL

Fixed in:0:5.4.1-1.el8apRHSA-2024:3781

python3x-sqlparseRocky

Fixed in:0:0.5.0-1.el8apRHSA-2024:3781

python3x-sqlparseRed Hat / RHEL

Fixed in:0:0.5.0-1.el8apRHSA-2024:3781

receptorRocky

Fixed in:0:1.4.8-1.el8apRHSA-2024:3781

Fixed in:0:1.4.8-1.el9apRHSA-2024:3781

receptorRed Hat / RHEL

Fixed in:0:1.4.8-1.el8apRHSA-2024:3781

Fixed in:0:1.4.8-1.el9apRHSA-2024:3781

receptorctlRed Hat / RHEL

Fixed in:0:1.4.8-1.el8apRHSA-2024:3781

Fixed in:0:1.4.8-1.el9apRHSA-2024:3781

receptorctlRocky

Fixed in:0:1.4.8-1.el8apRHSA-2024:3781

Fixed in:0:1.4.8-1.el9apRHSA-2024:3781

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.97%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Other references3

Embed a live status badge for CVE-2024-21503

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.