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Vulnerability details: VCID-k2gb-tg9w-aaac
Vulnerability ID VCID-k2gb-tg9w-aaac
Aliases CVE-2022-23852
Summary Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
rhas Important https://access.redhat.com/errata/RHSA-2022:0951
rhas Important https://access.redhat.com/errata/RHSA-2022:1069
rhas Moderate https://access.redhat.com/errata/RHSA-2022:4834
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23852.json
epss 0.00541 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.00541 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.00541 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.00541 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01366 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01366 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01366 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01824 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01824 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01824 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
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epss 0.01824 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01824 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
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epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
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epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01846 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01897 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01897 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01897 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01897 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01897 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01984 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01984 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.01984 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
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epss 0.01984 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
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epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.02065 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
epss 0.15096 https://api.first.org/data/v1/epss?cve=CVE-2022-23852
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2044613
cvssv3.1 9.8 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 9.8 https://github.com/libexpat/libexpat/pull/550
ssvc Track https://github.com/libexpat/libexpat/pull/550
cvssv3.1 9.8 https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
ssvc Track https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2022-23852
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2022-23852
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2022-23852
cvssv3.1 9.8 https://security.gentoo.org/glsa/202209-24
ssvc Track https://security.gentoo.org/glsa/202209-24
cvssv3.1 9.8 https://security.netapp.com/advisory/ntap-20220217-0001/
ssvc Track https://security.netapp.com/advisory/ntap-20220217-0001/
cvssv3.1 9.8 https://www.debian.org/security/2022/dsa-5073
ssvc Track https://www.debian.org/security/2022/dsa-5073
cvssv3.1 5.3 https://www.oracle.com/security-alerts/cpuapr2022.html
generic_textual MODERATE https://www.oracle.com/security-alerts/cpuapr2022.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 9.8 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-2022-23852.json
https://api.first.org/data/v1/epss?cve=CVE-2022-23852
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
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
https://github.com/libexpat/libexpat/pull/550
https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
https://security.gentoo.org/glsa/202209-24
https://security.netapp.com/advisory/ntap-20220217-0001/
https://www.debian.org/security/2022/dsa-5073
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.tenable.com/security/tns-2022-05
2044613 https://bugzilla.redhat.com/show_bug.cgi?id=2044613
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:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_metasolv_solution:6.3.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_metasolv_solution:6.3.1:*:*:*:*:*:*:*
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:a:tenable:nessus:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2022-23852 https://nvd.nist.gov/vuln/detail/CVE-2022-23852
RHSA-2022:0951 https://access.redhat.com/errata/RHSA-2022:0951
RHSA-2022:1069 https://access.redhat.com/errata/RHSA-2022:1069
RHSA-2022:4834 https://access.redhat.com/errata/RHSA-2022:4834
RHSA-2022:7144 https://access.redhat.com/errata/RHSA-2022:7144
USN-5288-1 https://usn.ubuntu.com/5288-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23852.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

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ 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:H/I:H/A:H Found at https://github.com/libexpat/libexpat/pull/550
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:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ Found at https://github.com/libexpat/libexpat/pull/550
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ Found at https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23852
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

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23852
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-23852
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:H/I:H/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:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ Found at https://security.gentoo.org/glsa/202209-24
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://security.netapp.com/advisory/ntap-20220217-0001/
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:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ Found at https://security.netapp.com/advisory/ntap-20220217-0001/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ 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:L/A:N 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:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ 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:H/I:H/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:T/P:M/B:A/M:M/D:T/2025-04-23T13:27:42Z/ Found at https://www.tenable.com/security/tns-2022-05
Exploit Prediction Scoring System (EPSS)
Percentile 0.77132
EPSS Score 0.00541
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
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