7.5

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.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
9.87%
0%100%
Low · -0.27 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-01-2018
    PublishedVulnerability first disclosed.
  2. 28-05-2026
    Last 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 versions

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 score
9.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
Apache software foundation1 product
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 links
Show all 22 references