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Vulnerability details: VCID-gnd3-sds3-aaam
Vulnerability ID VCID-gnd3-sds3-aaam
Aliases CVE-2017-9233
Summary XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-611 Improper Restriction of XML External Entity Reference
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-9233.html
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-9233.json
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00201 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
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epss 0.00304 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00322 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.00373 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2017-9233
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1462729
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9233
cvssv2 4.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual Medium https://libexpat.github.io/doc/cve-2017-9233/
cvssv3.1 8.8 https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
generic_textual HIGH https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
cvssv3.1 8.8 https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
generic_textual HIGH https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2017-9233
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-9233
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-9233
archlinux Medium https://security.archlinux.org/AVG-305
archlinux Medium https://security.archlinux.org/AVG-306
generic_textual Medium https://ubuntu.com/security/notices/USN-3356-1
generic_textual Medium https://ubuntu.com/security/notices/USN-3356-2
generic_textual Medium https://usn.ubuntu.com/usn/usn-3356-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-3356-2
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-9233.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-9233.json
https://api.first.org/data/v1/epss?cve=CVE-2017-9233
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9233
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/libexpat/libexpat/blob/master/expat/Changes
https://libexpat.github.io/doc/cve-2017-9233/
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://support.apple.com/HT208112
https://support.apple.com/HT208113
https://support.apple.com/HT208115
https://support.apple.com/HT208144
https://support.f5.com/csp/article/K03244804
https://ubuntu.com/security/notices/USN-3356-1
https://ubuntu.com/security/notices/USN-3356-2
https://usn.ubuntu.com/usn/usn-3356-1
https://usn.ubuntu.com/usn/usn-3356-2
http://www.debian.org/security/2017/dsa-3898
http://www.openwall.com/lists/oss-security/2017/06/17/7
http://www.securityfocus.com/bid/99276
http://www.securitytracker.com/id/1039427
1462729 https://bugzilla.redhat.com/show_bug.cgi?id=1462729
ASA-201706-32 https://security.archlinux.org/ASA-201706-32
ASA-201707-27 https://security.archlinux.org/ASA-201707-27
AVG-305 https://security.archlinux.org/AVG-305
AVG-306 https://security.archlinux.org/AVG-306
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:python:python:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
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:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
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-2017-9233 https://nvd.nist.gov/vuln/detail/CVE-2017-9233
USN-3356-1 https://usn.ubuntu.com/3356-1/
USN-3356-2 https://usn.ubuntu.com/3356-2/
USN-USN-4825-1 https://usn.ubuntu.com/USN-4825-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-9233.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: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:3.0/AV:N/AC:L/PR:N/UI:N/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)

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:R/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
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:R/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
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: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-9233
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-9233
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://nvd.nist.gov/vuln/detail/CVE-2017-9233
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.42631
EPSS Score 0.00201
Published At June 20, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.