Regular expression denial of service in Pydanic < 2.4.0, < 1.10.13 allows remote attackers to cause denial of service via a crafted email string.

An update of the python3 package has been released.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:1015 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2024-3772:
    Regular expression denial of service in Pydanic < 2.4.0, < 1.10.13 allows remote attackers to cause denial     of service via a crafted email string.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Regular expression denial of service in Pydanic < 2.4.0, < 1.10.13 allows remote attackers to cause denial
    of service via a crafted email string. (CVE-2024-3772)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Regular expression denial of service in Pydanic < 2.4.0, < 1.10.13 allows remote attackers to cause denial     of service via a crafted email string. (CVE-2024-3772)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2025:0310-1 advisory.

    - CVE-2024-3772: Fixed Regular expression DoS (bsc#1222806)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-7101-1 advisory.

    It was discovered that Pydantic incorrectly handled certain regular

    expressions. A remote attacker could possibly use this issue to cause a denial of service via a crafted     email string.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:3781 advisory.

    Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing     IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to     individual teams, while automation developers retain the freedom to write tasks that leverage existing     knowledge without the overhead. Ansible Automation Platform makes it possible for users across an     organization to share, vet, and manage automation content by means of a simple, powerful, and agentless     language.

    Security Fix(es):

    * automation-controller: aiohttp: DoS when trying to parse malformed POST requests (CVE-2024-30251)
    * automation-controller: Django: Potential regular expression denial-of-service in     django.utils.text.Truncator.words() (CVE-2024-27351)
    * automation-controller: pip: Mercurial configuration injectable in repo revision when installing via pip     (CVE-2023-5752)
    * automation-controller: pydantic: regular expression denial of service via crafted email string     (CVE-2024-3772)
    * automation-hub, python3/python39-galaxy-ng: follow-redirects: Possible credential leak (CVE-2024-28849)
    * python3/python39-aiohttp: DoS when trying to parse malformed POST requests (CVE-2024-30251)
    * python3/python39-aiohttp: XSS on index pages for static file handling (CVE-2024-27306)
    * python3/python39-black: ReDoS via the lines_with_leading_tabs_expanded() function in strings.py file     (CVE-2024-21503)
    * python3/python39-cryptography: NULL pointer dereference with pkcs12.serialize_key_and_certificates when     called with a non-matching certificate and private key and an hmac_hash override (CVE-2024-26130)
    * python3/python39-cryptography: NULL-dereference when loading PKCS7 certificates (CVE-2023-49083)
    * python3/python39-cryptography: NULL-dereference when loading PKCS7 certificates (CVE-2023-49083)
    * python3/python39-gunicorn: HTTP Request Smuggling due to improper validation of Transfer-Encoding     headers (CVE-2024-1135)
    * python3/python39-idna: potential DoS via resource consumption via specially crafted inputs to     idna.encode() (CVE-2024-3651)
    * python3/python39-jinja2: accepts keys containing non-attribute characters (CVE-2024-34064)
    * python3/python39-pillow: buffer overflow in _imagingcms.c (CVE-2024-28219)
    * python3/python39-pillow: Arbitrary Code Execution via the environment parameter (CVE-2023-50447)
    * python3/python39-pydantic: regular expression denial of service via crafted email string (CVE-2024-3772)
    * python3/python39-requests: subsequent requests to the same host ignore cert verification     (CVE-2024-35195)
    * python3/python39-social-auth-app-django: Improper Handling of Case Sensitivity in social-auth-app-django     (CVE-2024-32879)
    * python3/python39-sqlparse: parsing heavily nested list leads to denial of service (CVE-2024-4340)
    * receptor: golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm     (CVE-2024-24783)
    * receptor: golang: net/http, x/net/http2: unlimited number of CONTINUATION frames causes DoS     (CVE-2023-45288)
    * receptor: golang: net/http: memory exhaustion in Request.ParseMultipartForm (CVE-2023-45290)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Updates and fixes for automation controller:
    * Fixed Redis connection leak on version 4.5.6 (AAP-24286)
    * automation-controller has been updated to 4.5.7

    Updates and fixes for automation hub:
    * Fixed repository sync issues (AAH-3111, AAH-3218)
    * automation-hub/python3-galaxy-ng/python39-galaxy-ng have been updated to 4.9.2

    Additional changes:
    * ansible-core has been updated to 2.15.11
    * automation-eda-controller has been updated to 1.0.7
    * installer and setup have been updated to 2.4-7
    * receptor has been updated to 1.4.8

    For more details about the updates and fixes included in this release, refer to the Release Notes.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-fc5dc50bb6 advisory.

    Security fix for CVE-2024-3772 (regular expression denial of service via crafted email string). Update to     latest 1.10.x release: https://github.com/pydantic/pydantic/blob/v1.10.14/HISTORY.md


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
334043	Photon OS 5.0: Python3 PHSA-2025-5.0-91-0512	Nessus	PhotonOS Local Security Checks	Local	high
276213	TencentOS Server 4: python-pydantic (TSSA-2024:1015)	Nessus	Tencent Local Security Checks	Local	high
237573	Photon OS 4.0: Python3 PHSA-2025-4.0-0787	Nessus	PhotonOS Local Security Checks	Local	medium
234825	Photon OS 5.0: Python3 PHSA-2025-5.0-0512	Nessus	PhotonOS Local Security Checks	Local	medium
421416	SCA: security update for pydantic (GHSA-mr82-8j83-vxmv)	Tenable Cloud Security	SCA Checks	Local	high
421416	SCA: security update for pydantic (GHSA-mr82-8j83-vxmv)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
228377	Linux Distros Unpatched Vulnerability : CVE-2024-3772	Nessus	Misc.	Local	high
214905	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python-pydantic (SUSE-SU-2025:0310-1)	Nessus	SuSE Local Security Checks	Local	high
210777	Ubuntu 20.04 LTS / 22.04 LTS : Pydantic vulnerability (USN-7101-1)	Nessus	Ubuntu Local Security Checks	Local	high
200272	RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.4 Product Security and Bug Fix Update (Moderate) (RHSA-2024:3781)	Nessus	Red Hat Local Security Checks	Local	critical
193902	Fedora 38 : python-pydantic (2024-fc5dc50bb6)	Nessus	Fedora Local Security Checks	Local	high

Detections

Analytics

CVE-2024-3772

high

Tenable Plugins

high

high

medium

medium

high

high

high

high

high

critical

high