CVE-2017-12626: apache software foundation apache poi Infinite Loop
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2017-12626DEBIAN-CVE-2017-12626GHSA-523c-xh4g-mh5m
Published 29-01-2018Last modified 28-05-2026
Vulnerability summary
CVE-2017-12626 is a high (CVSS 7.5) Infinite Loop vulnerability in apache software foundation apache poi. EPSS estimates a 9.87% chance of exploitation in the next 30 days, higher than 95.5% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
9.87%
0%100%
Low · -0.27 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-01-2018PublishedVulnerability first disclosed.
- 28-05-2026Last modifiedVulnerability information updated.
Description
Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: 1) Infinite Loops while parsing crafted WMF, EMF, MSG and macros (POI bugs 61338 and 61294), and 2) Out of Memory Exceptions while parsing crafted DOC, PPT and XLS (POI bugs 52372 and 61295).
CVSS metrics
8 scores · 5 sources · 3 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · MavenEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
9.87%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
-0.27 pp
From 10.14% on 18-09-2026
18-09-202618-10-2026
EPSS score9.87%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apache1 product
- poi< 3.17
Apache software foundation1 product
- apache poi< 3.17
Debian1 product
- libapache-poi-java< 3.17-1
Org.apache.poi1 product
- poi< 3.17
Ubuntu1 product
- libapache-poi-javaAll versions (No fix recorded)
5 vendors · 5 products
References
22 linksShow all 22 references
- github.com/apache/poiPACKAGE