CVE & CISA-KEV Catalog

CVE-2023-23009

MEDIUMEPSS 73th pctl
6.5
CVSS v3
NVD

Description

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

CWE-400Resource Exhaustion

How to fix

Remediation Available
libreswanDebian
Fixed in:4.3-1+deb11u3CVE-2023-23009
Fixed in:4.9-2CVE-2023-23009
Fixed in:4.9-2CVE-2023-23009
Fixed in:4.9-2CVE-2023-23009
libreswanRocky
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
libreswanRed Hat / RHEL
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
libreswan-debuginfoRocky
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
libreswan-debuginfoRed Hat / RHEL
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
libreswan-debugsourceRed Hat / RHEL
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
libreswan-debugsourceRocky
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.9-2.el8_8.2RHSA-2023:3095
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11525
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11505
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.9-2.el9_2RHSA-2023:2633
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHSA-2024:10594
Fixed in:0:4.6-3.el9_0.3RHBA-2024:11565
openshiftRed Hat / RHEL
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshiftRocky
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-hyperkubeRocky
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-hyperkubeRed Hat / RHEL
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kube-apiserverRed Hat / RHEL
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kube-apiserverRocky
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kube-controller-managerRocky
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kube-controller-managerRed Hat / RHEL
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kube-schedulerRocky
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kube-schedulerRed Hat / RHEL
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kubeletRed Hat / RHEL
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
openshift-kubeletRocky
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el8RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525
Fixed in:0:4.17.0-202412172334.p0.gf868289.assembly.stream.el9RHBA-2024:11525

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 RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

1.61%probability of exploitation in 30 days
73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-44487High7.5100%KEVFix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2011-3192High7.899%-Fix
CVE-2019-11478Medium5.395%-Fix
CVE-2024-25617Medium5.389%-Fix
CVE-2018-1000115High7.589%-Fix
Embed a live status badge for CVE-2023-23009
CVE-2023-23009 severity badge

Markdown

[![CVE-2023-23009](https://tridentstack.com/cve/badge/CVE-2023-23009.svg)](https://tridentstack.com/cve/CVE-2023-23009)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-23009"><img src="https://tridentstack.com/cve/badge/CVE-2023-23009.svg" alt="CVE-2023-23009"></a>

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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 2025-03-17.