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Vulnerability details: VCID-tt7m-c9zc-1kem
Vulnerability ID VCID-tt7m-c9zc-1kem
Aliases CVE-2022-23990
Summary Multiple vulnerabilities have been discovered in Expat, the worst of which could result in arbitrary code execution.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23990.json
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
epss 0.03519 https://api.first.org/data/v1/epss?cve=CVE-2022-23990
cvssv3.1 7.5 https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
ssvc Track https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
cvssv3.1 8.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://github.com/libexpat/libexpat/pull/551
ssvc Track https://github.com/libexpat/libexpat/pull/551
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/
cvssv3.1 7.5 https://security.gentoo.org/glsa/202209-24
ssvc Track https://security.gentoo.org/glsa/202209-24
cvssv3.1 7.5 https://www.debian.org/security/2022/dsa-5073
ssvc Track https://www.debian.org/security/2022/dsa-5073
cvssv3.1 7.5 https://www.oracle.com/security-alerts/cpuapr2022.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 7.5 https://www.tenable.com/security/tns-2022-05
ssvc Track https://www.tenable.com/security/tns-2022-05
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23990.json
https://api.first.org/data/v1/epss?cve=CVE-2022-23990
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45960
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46143
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22822
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22824
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22825
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22826
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22827
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23852
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23990
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2048356 https://bugzilla.redhat.com/show_bug.cgi?id=2048356
34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/
551 https://github.com/libexpat/libexpat/pull/551
dsa-5073 https://www.debian.org/security/2022/dsa-5073
GLSA-202209-24 https://security.gentoo.org/glsa/202209-24
R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/
RHSA-2022:7144 https://access.redhat.com/errata/RHSA-2022:7144
RHSA-2022:7811 https://access.redhat.com/errata/RHSA-2022:7811
RHSA-2025:21776 https://access.redhat.com/errata/RHSA-2025:21776
RHSA-2025:22607 https://access.redhat.com/errata/RHSA-2025:22607
RHSA-2025:22785 https://access.redhat.com/errata/RHSA-2025:22785
RHSA-2025:22842 https://access.redhat.com/errata/RHSA-2025:22842
RHSA-2025:22871 https://access.redhat.com/errata/RHSA-2025:22871
ssa-484086.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
tns-2022-05 https://www.tenable.com/security/tns-2022-05
USN-5288-1 https://usn.ubuntu.com/5288-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23990.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

high

none

low

high

none

required

unchanged

changed

high

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none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
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

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none

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none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 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

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/libexpat/libexpat/pull/551
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

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none

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low

none

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none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://github.com/libexpat/libexpat/pull/551
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/
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:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/
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:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.gentoo.org/glsa/202209-24
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:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://security.gentoo.org/glsa/202209-24
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.debian.org/security/2022/dsa-5073
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:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://www.debian.org/security/2022/dsa-5073
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.oracle.com/security-alerts/cpuapr2022.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:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.tenable.com/security/tns-2022-05
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:Y/T:P/P:M/B:A/M:M/D:T/2025-04-23T13:27:20Z/ Found at https://www.tenable.com/security/tns-2022-05
Exploit Prediction Scoring System (EPSS)
Percentile 0.87595
EPSS Score 0.03519
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:58:38.345437+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202209-24 38.0.0