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Vulnerability details: VCID-9uzg-sja9-hkcy
Vulnerability ID VCID-9uzg-sja9-hkcy
Aliases CVE-2023-21939
Summary OpenJDK: Swing HTML parsing issue (8296832)
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-21939.json
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2023-21939
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.3 https://lists.debian.org/debian-lts-announce/2023/09/msg00018.html
ssvc Track https://lists.debian.org/debian-lts-announce/2023/09/msg00018.html
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20230427-0008/
ssvc Track https://security.netapp.com/advisory/ntap-20230427-0008/
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20240621-0006/
ssvc Track https://security.netapp.com/advisory/ntap-20240621-0006/
cvssv3.1 5.3 https://www.couchbase.com/alerts/
ssvc Track https://www.couchbase.com/alerts/
cvssv3.1 5.3 https://www.debian.org/security/2023/dsa-5430
ssvc Track https://www.debian.org/security/2023/dsa-5430
cvssv3.1 5.3 https://www.debian.org/security/2023/dsa-5478
ssvc Track https://www.debian.org/security/2023/dsa-5478
cvssv3.1 5.3 https://www.oracle.com/security-alerts/cpuapr2023.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2023.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-21939.json
https://api.first.org/data/v1/epss?cve=CVE-2023-21939
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21930
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21937
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21938
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21939
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21954
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21967
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21968
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22006
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22036
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22045
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22049
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1035957 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1035957
1036280 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1036280
2187724 https://bugzilla.redhat.com/show_bug.cgi?id=2187724
dsa-5430 https://www.debian.org/security/2023/dsa-5430
dsa-5478 https://www.debian.org/security/2023/dsa-5478
msg00018.html https://lists.debian.org/debian-lts-announce/2023/09/msg00018.html
ntap-20230427-0008 https://security.netapp.com/advisory/ntap-20230427-0008/
RHSA-2023:1875 https://access.redhat.com/errata/RHSA-2023:1875
RHSA-2023:1877 https://access.redhat.com/errata/RHSA-2023:1877
RHSA-2023:1878 https://access.redhat.com/errata/RHSA-2023:1878
RHSA-2023:1879 https://access.redhat.com/errata/RHSA-2023:1879
RHSA-2023:1880 https://access.redhat.com/errata/RHSA-2023:1880
RHSA-2023:1882 https://access.redhat.com/errata/RHSA-2023:1882
RHSA-2023:1883 https://access.redhat.com/errata/RHSA-2023:1883
RHSA-2023:1884 https://access.redhat.com/errata/RHSA-2023:1884
RHSA-2023:1885 https://access.redhat.com/errata/RHSA-2023:1885
RHSA-2023:1889 https://access.redhat.com/errata/RHSA-2023:1889
RHSA-2023:1890 https://access.redhat.com/errata/RHSA-2023:1890
RHSA-2023:1891 https://access.redhat.com/errata/RHSA-2023:1891
RHSA-2023:1892 https://access.redhat.com/errata/RHSA-2023:1892
RHSA-2023:1895 https://access.redhat.com/errata/RHSA-2023:1895
RHSA-2023:1898 https://access.redhat.com/errata/RHSA-2023:1898
RHSA-2023:1899 https://access.redhat.com/errata/RHSA-2023:1899
RHSA-2023:1900 https://access.redhat.com/errata/RHSA-2023:1900
RHSA-2023:1903 https://access.redhat.com/errata/RHSA-2023:1903
RHSA-2023:1904 https://access.redhat.com/errata/RHSA-2023:1904
RHSA-2023:1905 https://access.redhat.com/errata/RHSA-2023:1905
RHSA-2023:1906 https://access.redhat.com/errata/RHSA-2023:1906
RHSA-2023:1907 https://access.redhat.com/errata/RHSA-2023:1907
RHSA-2023:1908 https://access.redhat.com/errata/RHSA-2023:1908
RHSA-2023:1909 https://access.redhat.com/errata/RHSA-2023:1909
RHSA-2023:1910 https://access.redhat.com/errata/RHSA-2023:1910
RHSA-2023:1911 https://access.redhat.com/errata/RHSA-2023:1911
RHSA-2023:1912 https://access.redhat.com/errata/RHSA-2023:1912
RHSA-2023:4103 https://access.redhat.com/errata/RHSA-2023:4103
RHSA-2023:4160 https://access.redhat.com/errata/RHSA-2023:4160
USN-6077-1 https://usn.ubuntu.com/6077-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-21939.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://lists.debian.org/debian-lts-announce/2023/09/msg00018.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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none

required

unchanged

changed

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-05T19:26:29Z/ Found at https://lists.debian.org/debian-lts-announce/2023/09/msg00018.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://security.netapp.com/advisory/ntap-20230427-0008/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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required

unchanged

changed

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-05T19:26:29Z/ Found at https://security.netapp.com/advisory/ntap-20230427-0008/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://security.netapp.com/advisory/ntap-20240621-0006/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-05T19:26:29Z/ Found at https://security.netapp.com/advisory/ntap-20240621-0006/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://www.couchbase.com/alerts/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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none

required

unchanged

changed

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-05T19:26:29Z/ Found at https://www.couchbase.com/alerts/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://www.debian.org/security/2023/dsa-5430
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-05T19:26:29Z/ Found at https://www.debian.org/security/2023/dsa-5430
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://www.debian.org/security/2023/dsa-5478
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-05T19:26:29Z/ Found at https://www.debian.org/security/2023/dsa-5478
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://www.oracle.com/security-alerts/cpuapr2023.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-05T19:26:29Z/ Found at https://www.oracle.com/security-alerts/cpuapr2023.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.83001
EPSS Score 0.01861
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:54:13.666110+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-21939.json 38.0.0