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Vulnerability details: VCID-47ja-wy36-m7ey
Vulnerability ID VCID-47ja-wy36-m7ey
Aliases CVE-2022-25313
Summary In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-400 Uncontrolled Resource Consumption
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-674 Uncontrolled Recursion
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-25313.json
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.00124 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.0013 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.0013 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.0013 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
epss 0.0013 https://api.first.org/data/v1/epss?cve=CVE-2022-25313
cvssv3.1 6.5 https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
ssvc Track https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 6.5 https://github.com/libexpat/libexpat/pull/558
ssvc Track https://github.com/libexpat/libexpat/pull/558
cvssv3.1 6.5 https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
ssvc Track https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
cvssv3.1 6.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
cvssv3.1 6.5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2022-25313
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2022-25313
cvssv3.1 6.5 https://security.gentoo.org/glsa/202209-24
ssvc Track https://security.gentoo.org/glsa/202209-24
cvssv3.1 6.5 https://security.netapp.com/advisory/ntap-20220303-0008/
ssvc Track https://security.netapp.com/advisory/ntap-20220303-0008/
cvssv3.1 6.5 https://www.debian.org/security/2022/dsa-5085
ssvc Track https://www.debian.org/security/2022/dsa-5085
cvssv3.1 6.5 https://www.oracle.com/security-alerts/cpuapr2022.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 6.5 http://www.openwall.com/lists/oss-security/2022/02/19/1
ssvc Track http://www.openwall.com/lists/oss-security/2022/02/19/1
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-25313.json
https://api.first.org/data/v1/epss?cve=CVE-2022-25313
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25235
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25236
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25313
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25314
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25315
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.oracle.com/security-alerts/cpuapr2022.html
1 http://www.openwall.com/lists/oss-security/2022/02/19/1
202209-24 https://security.gentoo.org/glsa/202209-24
2056350 https://bugzilla.redhat.com/show_bug.cgi?id=2056350
3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
558 https://github.com/libexpat/libexpat/pull/558
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2022-25313 https://nvd.nist.gov/vuln/detail/CVE-2022-25313
dsa-5085 https://www.debian.org/security/2022/dsa-5085
msg00007.html https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
ntap-20220303-0008 https://security.netapp.com/advisory/ntap-20220303-0008/
RHSA-2022:5244 https://access.redhat.com/errata/RHSA-2022:5244
RHSA-2022:5314 https://access.redhat.com/errata/RHSA-2022:5314
RHSA-2022:7144 https://access.redhat.com/errata/RHSA-2022:7144
RHSA-2022:7811 https://access.redhat.com/errata/RHSA-2022:7811
ssa-484086.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
USN-5320-1 https://usn.ubuntu.com/5320-1/
Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-25313.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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none

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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)

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adjacent_network

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://github.com/libexpat/libexpat/pull/558
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://github.com/libexpat/libexpat/pull/558
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2022/03/msg00007.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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
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

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physical

low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2022-25313
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-25313
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

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low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://security.gentoo.org/glsa/202209-24
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20220303-0008/
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://security.netapp.com/advisory/ntap-20220303-0008/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://www.debian.org/security/2022/dsa-5085
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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required

unchanged

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high

low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://www.debian.org/security/2022/dsa-5085
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

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required

unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://www.openwall.com/lists/oss-security/2022/02/19/1
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:41:09Z/ Found at http://www.openwall.com/lists/oss-security/2022/02/19/1
Exploit Prediction Scoring System (EPSS)
Percentile 0.32395
EPSS Score 0.00124
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:35:58.926072+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.13/main.json 37.0.0