5.5

CVE-2021-27807: apache software foundation apache pdfbox Excessive Iteration

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-27807DEBIAN-CVE-2021-27807GHSA-2h3j-m7gr-25xj
Published 19-03-2021Last modified 13-02-2025
Open JSON

Vulnerability summary

CVE-2021-27807 is a medium (CVSS 5.5) Excessive Iteration vulnerability in apache software foundation apache pdfbox. EPSS estimates a 2.99% chance of exploitation in the next 30 days, higher than 87.1% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
2.99%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2021-0184

Timeline

  1. 19-03-2021
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

A carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.22 and prior 2.0.x versions.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.99%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.99% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.99%

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

Oracle13 products
Ubuntu2 products
  • libpdfbox-javaAll versions (No fix recorded)
  • libpdfbox2-javaAll versions (No fix recorded)
Apache1 product
Apache software foundation1 product
Debian1 product
  • libpdfbox2-java< 2.0.23-1
Fedoraproject1 product
Org.apache.pdfbox1 product
  • pdfbox≥ 2.0.0, < 2.0.23

7 vendors · 20 products

References

46 links
Show all 46 references