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CVE-2018-11797

22
FAUCET Score

CVE-2018-11797 describes a denial-of-service vulnerability in Apache PDFBox versions 1.8.0 through 1.8.15 and 2.0.0RC1 through 2.0.11, where a specially crafted PDF file can cause an extremely long computation during page tree parsing. This vulnerability affects various products incorporating these PDFBox versions, including Apache, Fedora, and Oracle distributions. The CVSS score of 5.5 (Medium) indicates a local attack vector with low complexity, requiring user interaction, and primarily impacting availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.8.0, <= 1.8.15CPE matchmatch criteria
cpe:2.3:a:apache:pdfbox:*:*:*:*:*:*:*:*
>= 2.0.1, <= 2.0.11CPE matchmatch criteria
cpe:2.3:a:apache:pdfbox:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:apache:pdfbox:2.0:rc1:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:apache:pdfbox:2.0:rc2:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:apache:pdfbox:2.0:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.02%
Probability of exploitation in next 30 days
EPSS Percentile
89.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0402 is in the 96th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

mavenpatch availablevia ghsa
Product: org.apache.pdfbox:pdfboxFixed in: 1.8.16
mavenpatch availablevia ghsa
Product: org.apache.pdfbox:pdfboxFixed in: 2.0.12
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Fuse 7.7.0Fixed in: pdfbox
View patch
redhatend of lifevia redhat_api
Product: Red Hat Satellite 5Fixed in: nutch

Vendor Advisories (2)

mavenGHSA-gx96-vgf7-hwfgmedium

In Apache PDFBox a carefully crafted PDF file can trigger an extremely long running computation

Oct 17, 2018
redhatCVE-2018-11797Moderate

pdfbox: unbounded computation in parser resulting in a denial of service

Oct 5, 2018

References

lists.apache.org / thread.html/645574bc50b886d39c20b4065d51ccb1cd5d3a6b4750a22edbb565eb%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/a9760973a873522f4d4c0a99916ceb74f361d91006b663a0a418d34a%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/r54594251369e14c185da9662a5340a52afbbdf75d61c9c3a69c8f2e8%40%3Cdev.pdfbox.apache.org%3E
lists.debian.org / debian-lts-announce/2018/10/msg00008.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6HKVPTJWZGUB4MH4AAOWMRJHRDBYFHGJ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/POPOGHJ5CVMUVCRQU7APBAN5IVZGZFDX
oracle.com / security-alerts/cpuapr2020.html
PatchThird Party Advisory