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CVE-2023-41419

Gevent allows remote attacker to escalate privileges

9.8 CriticalFix available

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.79%Up 1.6 points since Sep 26, 2023
90%50%10%1%

What each source reports

NVD Score used 9.8

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
CVE-2023-41419
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
CVE List No score

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
CVE-2023-41419
Updated
2026-11-02
EUVDEUVD-2023-0084 No score

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
EUVD-2023-0084
Updated
2026-11-02
GitHub AdvisoriesGHSA-x7m3-jprg-wc5g 9.8

Gevent allows remote attacker to escalate privileges

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
GHSA-x7m3-jprg-wc5g
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVAZL-30058 9.8

CVE-2023-41419 affecting package python-gevent for versions less than 1.3.6-9

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
AZL-30058
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2023-41419 9.8

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
DEBIAN-CVE-2023-41419
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 20 moreShow less
OSVGHSA-x7m3-jprg-wc5g 9.8

Gevent allows remote attacker to escalate privileges

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
GHSA-x7m3-jprg-wc5g
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2023-1697 9.8

python-gevent security update

gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level synchronous API on top of the libev or libuv event loop.

Security Fix(es):

An issue in Gevent Gevent before version 23.9.1 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.(CVE-2023-41419)

Record
OESA-2023-1697
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2023-1698 9.8

python-gevent security update

gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level synchronous API on top of the libev or libuv event loop.

Security Fix(es):

An issue in Gevent Gevent before version 23.9.1 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.(CVE-2023-41419)

Record
OESA-2023-1698
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2023-1699 9.8

python-gevent security update

gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level synchronous API on top of the libev or libuv event loop.

Security Fix(es):

An issue in Gevent Gevent before version 23.9.1 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.(CVE-2023-41419)

Record
OESA-2023-1699
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2023:7438 9.1

Red Hat Security Advisory: Red Hat OpenStack Platform 17.1.1 (python-gevent) security update

Record
RHSA-2023:7438
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVRHSA-2024:7421 9.1

Red Hat Security Advisory: python-gevent security update

Record
RHSA-2024:7421
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVRHSA-2024:7785 9.1

Red Hat Security Advisory: python-gevent security update

Record
RHSA-2024:7785
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVRHSA-2024:8102 9.1

Red Hat Security Advisory: python-gevent security update

Record
RHSA-2024:8102
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVRHSA-2024:8105 9.1

Red Hat Security Advisory: python-gevent security update

Record
RHSA-2024:8105
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVRHSA-2024:8834 9.1

Red Hat Security Advisory: python-gevent security update

Record
RHSA-2024:8834
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVRLSA-2024:8834 9.1

Important: python-gevent security update

gevent is a coroutine-based Python networking library that uses greenlet to provide a high-level synchronous API on top of libevent event loop. Features include: * convenient API around greenlets * familiar synchronization primitives (gevent.event, gevent.queue) * socket module that cooperates * WSGI server on top of libevent-http * DNS requests done through libevent-dns * monkey patching utility to get pure Python modules to cooperate

Security Fix(es):

  • python-gevent: privilege escalation via a crafted script to the WSGIServer component (CVE-2023-41419)

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.

Record
RLSA-2024:8834
CVSS 3.1
9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVROOT-APP-PYPI-CVE-2023-41419 9.8

CVE-2023-41419 in gevent - Patched by Root

Root has patched CVE-2023-41419 in the gevent package for Root:PyPI. Multiple fixed versions available.

Record
ROOT-APP-PYPI-CVE-2023-41419
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-41419 9.8

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
UBUNTU-CVE-2023-41419
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALSA-2024:8834 No score

Important: python-gevent security update

gevent is a coroutine-based Python networking library that uses greenlet to provide a high-level synchronous API on top of libevent event loop. Features include: * convenient API around greenlets * familiar synchronization primitives (gevent.event, gevent.queue) * socket module that cooperates * WSGI server on top of libevent-http * DNS requests done through libevent-dns * monkey patching utility to get pure Python modules to cooperate

Security Fix(es):

  • python-gevent: privilege escalation via a crafted script to the WSGIServer component (CVE-2023-41419)

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.

Record
ALSA-2024:8834
Updated
2026-11-02
OSV No score

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
CVE-2023-41419
Updated
2026-11-02
OSVopenSUSE-SU-2024:13254-1 No score

python-gevent-doc-23.9.0-1.1 on GA media

These are all security issues fixed in the python-gevent-doc-23.9.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13254-1
Updated
2026-11-02
OSVPYSEC-2023-177 No score

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

Record
PYSEC-2023-177
Updated
2026-11-02
OSVSUSE-SU-2023:3975-1 No score

Security update for python-gevent

This update for python-gevent fixes the following issues:

  • CVE-2023-41419: Fixed a http request smuggling (bsc#1215469).
Record
SUSE-SU-2023:3975-1
Updated
2026-11-02
OSVSUSE-SU-2023:4009-1 No score

Security update for python-gevent

This update for python-gevent fixes the following issues:

  • CVE-2023-41419: Fixed a http request smuggling (bsc#1215469).
Record
SUSE-SU-2023:4009-1
Updated
2026-11-02
OSVSUSE-SU-2023:4091-1 No score

Security update for python-gevent

This update for python-gevent fixes the following issues:

  • CVE-2023-41419: Fixed a http request smuggling (bsc#1215469).
Record
SUSE-SU-2023:4091-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gevent
PyPI
 before 23.9.0
23.9.0
python3-gevent
AlmaLinux:8
 before 1.2.2-5.el8_10
1.2.2-5.el8_10
python-gevent
Azure Linux:2
 before 1.3.6-9
1.3.6-9
python-gevent
Debian:12
 All versions, plus listed versions
22.10.2-323.9.1-0.223.9.1-124.11.1-124.2.1-0.124.2.1-125.9.1-125.9.1-2
 None known
python-gevent
Debian:13
 before 23.9.1-0.1
23.9.1-0.1
python-gevent
Debian:14
 before 23.9.1-0.1
23.9.1-0.1
python-gevent
Debian:11
 before 20.9.0-2+deb11u1, plus listed versions
20.9.0-2
20.9.0-2+deb11u1
gevent
PyPI
 before 23.9.0, plus listed versions
0.10.00.11.00.11.10.11.20.12.0
Show 45 moreShow less
0.12.10.12.20.13.00.13.10.13.20.13.30.13.40.13.50.13.60.13.70.13.80.9.20.9.31.01.0.11.0.21.1.01.1.11.1.21.1a11.1a21.1b11.1b21.1b31.1b41.1b51.1b61.1rc11.1rc21.1rc31.1rc41.1rc51.2.01.2.11.2.21.2a11.2a21.3.01.3.11.3.21.3.2.post01.3.31.3.41.3.51.3.6
23.9.0
python-gevent
openEuler:22.03-LTS
 before 20.6.1-2.oe2203
20.6.1-2.oe2203
python-gevent
openEuler:22.03-LTS-SP1
 before 21.1.2-2.oe2203sp1
21.1.2-2.oe2203sp1
Show 69 moreShow less
Affected packages
PackageAffectedFixed
python-gevent
openEuler:22.03-LTS-SP2
 before 21.1.2-2.oe2203sp2
21.1.2-2.oe2203sp2
gevent
PyPI
 before 23.9.0, plus listed versions
0.10.00.11.00.11.10.11.20.12.0
Show 45 moreShow less
0.12.10.12.20.13.00.13.10.13.20.13.30.13.40.13.50.13.60.13.70.13.80.9.20.9.31.01.0.11.0.21.1.01.1.11.1.21.1a11.1a21.1b11.1b21.1b31.1b41.1b51.1b61.1rc11.1rc21.1rc31.1rc41.1rc51.2.01.2.11.2.21.2a11.2a21.3.01.3.11.3.21.3.2.post01.3.31.3.41.3.51.3.6
23.9.0
python-gevent
Red Hat:openstack:17.1::el9
 before 0:21.1.2-2.el9ost
0:21.1.2-2.el9ost
python-gevent-debugsource
Red Hat:openstack:17.1::el9
 before 0:21.1.2-2.el9ost
0:21.1.2-2.el9ost
python3-gevent
Red Hat:openstack:17.1::el9
 before 0:21.1.2-2.el9ost
0:21.1.2-2.el9ost
python3-gevent-debuginfo
Red Hat:openstack:17.1::el9
 before 0:21.1.2-2.el9ost
0:21.1.2-2.el9ost
python-gevent
Red Hat:rhel_aus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python-gevent-debugsource
Red Hat:rhel_aus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python3-gevent
Red Hat:rhel_aus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python3-gevent-debuginfo
Red Hat:rhel_aus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python-gevent
Red Hat:rhel_e4s:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python-gevent-debugsource
Red Hat:rhel_e4s:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python3-gevent
Red Hat:rhel_e4s:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python3-gevent-debuginfo
Red Hat:rhel_e4s:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python-gevent
Red Hat:rhel_tus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python-gevent-debugsource
Red Hat:rhel_tus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python3-gevent
Red Hat:rhel_tus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python3-gevent-debuginfo
Red Hat:rhel_tus:8.6::appstream
 before 0:1.2.2-5.el8_6
0:1.2.2-5.el8_6
python-gevent
Red Hat:rhel_aus:8.2::appstream
 before 0:1.2.2-5.el8_2
0:1.2.2-5.el8_2
python-gevent-debugsource
Red Hat:rhel_aus:8.2::appstream
 before 0:1.2.2-5.el8_2
0:1.2.2-5.el8_2
python3-gevent
Red Hat:rhel_aus:8.2::appstream
 before 0:1.2.2-5.el8_2
0:1.2.2-5.el8_2
python3-gevent-debuginfo
Red Hat:rhel_aus:8.2::appstream
 before 0:1.2.2-5.el8_2
0:1.2.2-5.el8_2
python-gevent
Red Hat:rhel_eus:8.8::appstream
 before 0:1.2.2-5.el8_8
0:1.2.2-5.el8_8
python-gevent-debugsource
Red Hat:rhel_eus:8.8::appstream
 before 0:1.2.2-5.el8_8
0:1.2.2-5.el8_8
python3-gevent
Red Hat:rhel_eus:8.8::appstream
 before 0:1.2.2-5.el8_8
0:1.2.2-5.el8_8
python3-gevent-debuginfo
Red Hat:rhel_eus:8.8::appstream
 before 0:1.2.2-5.el8_8
0:1.2.2-5.el8_8
python-gevent
Red Hat:rhel_aus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python-gevent-debugsource
Red Hat:rhel_aus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python3-gevent
Red Hat:rhel_aus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python3-gevent-debuginfo
Red Hat:rhel_aus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python-gevent
Red Hat:rhel_e4s:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python-gevent-debugsource
Red Hat:rhel_e4s:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python3-gevent
Red Hat:rhel_e4s:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python3-gevent-debuginfo
Red Hat:rhel_e4s:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python-gevent
Red Hat:rhel_tus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python-gevent-debugsource
Red Hat:rhel_tus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python3-gevent
Red Hat:rhel_tus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python3-gevent-debuginfo
Red Hat:rhel_tus:8.4::appstream
 before 0:1.2.2-5.el8_4
0:1.2.2-5.el8_4
python-gevent
Red Hat:enterprise_linux:8::appstream
 before 0:1.2.2-5.el8_10
0:1.2.2-5.el8_10
python-gevent-debugsource
Red Hat:enterprise_linux:8::appstream
 before 0:1.2.2-5.el8_10
0:1.2.2-5.el8_10
python3-gevent
Red Hat:enterprise_linux:8::appstream
 before 0:1.2.2-5.el8_10
0:1.2.2-5.el8_10
python3-gevent-debuginfo
Red Hat:enterprise_linux:8::appstream
 before 0:1.2.2-5.el8_10
0:1.2.2-5.el8_10
python-gevent
Rocky Linux:8
 before 0:1.2.2-5.el8
0:1.2.2-5.el8
gevent
Root:PyPI
 before 21.12.0+aikido.2
21.12.0+aikido.221.12.0+aikido.3
python-gevent
SUSE:OpenStack Cloud 9
 before 1.3.5-3.3.1
1.3.5-3.3.1
python-gevent
SUSE:OpenStack Cloud Crowbar 9
 before 1.3.5-3.3.1
1.3.5-3.3.1
python-gevent
SUSE:HPE Helion OpenStack 8
 before 1.1.2-3.3.1
1.1.2-3.3.1
python-gevent
SUSE:OpenStack Cloud 8
 before 1.1.2-3.3.1
1.1.2-3.3.1
python-gevent
SUSE:OpenStack Cloud Crowbar 8
 before 1.1.2-3.3.1
1.1.2-3.3.1
python-gevent
SUSE:Linux Enterprise Module for Basesystem 15 SP4
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise Module for Basesystem 15 SP5
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise Server 15 SP1-LTSS
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise Server 15 SP2-LTSS
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise Server 15 SP3-LTSS
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Linux Enterprise Server for SAP Applications 15 SP3
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Manager Proxy 4.2
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Manager Server 4.2
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
SUSE:Enterprise Storage 7.1
 before 1.2.2-150000.5.3.1
1.2.2-150000.5.3.1
python-gevent
Ubuntu:14.04:LTS
 All versions, plus listed versions
0.13.7-41.0-1ubuntu11.0-1ubuntu1.1
 None known
python-gevent
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.1~b1-0ubuntu11.1~b1-0ubuntu21.1.0-2
 None known
python-gevent
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.1.2-build21.2.2-2
 None known
python-gevent
Ubuntu:20.04:LTS
 All versions, plus listed versions
1.3.7-1build11.3.7-1ubuntu11.3.7-1ubuntu21.4.0-11.4.0-1.11.4.0-1.2
 None known
python-gevent
Ubuntu:22.04:LTS
 All versions, plus listed versions
20.9.0-220.9.0-421.8.0-121.8.0-1build1
 None known

History

History
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In short

CVE-2023-41419 is a critical vulnerability (CVSS 9.8) in Gevent, published September 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.79%, the 78th percentile. Fixed in gevent 23.9.0.

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