CVE-2021-31812: apache software foundation apache pdfbox Excessive Iteration
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-31812DEBIAN-CVE-2021-31812GHSA-7grw-6pjh-jpc9
Published 12-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-31812 is a medium (CVSS 5.5) Excessive Iteration vulnerability in apache software foundation apache pdfbox. EPSS estimates a 3.05% chance of exploitation in the next 30 days, higher than 87.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
3.05%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 12-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In Apache PDFBox, a carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · MavenEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.05%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 3.05% on 18-09-2026
18-09-202618-10-2026
EPSS score3.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-834Excessive IterationThe product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Affected systems
Oracle5 products
- banking_corporate_lending_process_management14.2.0 | 14.3.0 | 14.5.0
- banking_credit_facilities_process_management14.2.0 | 14.3.0 | 14.5.0
- banking_supply_chain_finance14.2.0 | 14.3.0 | 14.5.0
- communications_messaging_server8.1
- retail_customer_management_and_segmentation_foundation18.1
Debian2 products
- libpdfbox-javaAll versions (No fix recorded)
- libpdfbox2-java< 2.0.24-1
Org.apache.pdfbox2 products
- pdfbox≥ 2.0.0, < 2.0.24
- pdfbox-parent≥ 2.0.0, < 2.0.24
Ubuntu2 products
- libpdfbox-javaAll versions (No fix recorded)
- libpdfbox2-javaAll versions (No fix recorded)
Apache1 product
- pdfbox≥ 2.0.0, ≤ 2.0.23
Apache software foundation1 product
- apache pdfbox≥ Apache PDFBox, < 2.0.24
Fedoraproject1 product
- fedoraEOL33 | 34
7 vendors · 14 products
References
32 links- www.openwall.com/lists/oss-security/2021/06/12/1Mailing ListX Refsource MLISTREPORTWEBThird Party Advisory
