Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-523c-xh4g-mh5m
Advisory ID github_osv/GHSA-523c-xh4g-mh5m
Aliases CVE-2017-12626
Summary Denial of Service in Apache POI Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: - Infinite Loops while parsing crafted WMF, EMF, MSG and macros (POI bugs 61338 and 61294) - Out of Memory Exceptions while parsing crafted DOC, PPT and XLS (POI bugs 52372 and 61295)
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
cvssv3 7.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/01/GHSA-523c-xh4g-mh5m/GHSA-523c-xh4g-mh5m.json
generic_textual HIGH
Reference id Reference type URL
https://github.com/apache/poi
https://lists.apache.org/thread.html/453d9af5dbabaccd9afb58d27279a9dbfe8e35f4e5ea1645ddd6960b@%3Cdev.poi.apache.org%3E
https://lists.apache.org/thread.html/453d9af5dbabaccd9afb58d27279a9dbfe8e35f4e5ea1645ddd6960b%40%3Cdev.poi.apache.org%3E
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451@%3Csolr-user.lucene.apache.org%3E
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpuoct2020.html
http://www.securityfocus.com/bid/102879
cpuApr2021.html Other https://www.oracle.com/security-alerts/cpuApr2021.html
cpujan2020.html Other https://www.oracle.com/security-alerts/cpujan2020.html
cpujul2020.html Other https://www.oracle.com/security-alerts/cpujul2020.html
cpuoct2019-5072832.html Other https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
CVE-2017-12626 https://nvd.nist.gov/vuln/detail/CVE-2017-12626
RHSA-2018:1322 https://access.redhat.com/errata/RHSA-2018:1322
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/01/GHSA-523c-xh4g-mh5m/GHSA-523c-xh4g-mh5m.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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-05-28T17:54:11Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2017/12xxx/CVE-2017-12626.json

Source Advisory: vulnrichment/CVE-2017-12626

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'yes'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]