CVE-2018-11797

MEDIUMNVD 5.55.5

5.5

In Apache PDFBox 1.8.0 to 1.8.15 and 2.0.0RC1 to 2.0.11, a carefully crafted PDF file can trigger an extremely long running computation when parsing the page tree.

CVSS v3: 5.5
EG Score: 5.5(low)
EPSS: 82.1%
KEV: Not listed

Published

October 5, 2018

Last Modified

November 21, 2024

References (14)

security@apachehttps://lists.apache.org/thread.html/645574bc50b886d39c20b4065d51ccb1cd5d3a6b4750a22edbb565eb%40%3Cannounce.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/a9760973a873522f4d4c0a99916ceb74f361d91006b663a0a418d34a%40%3Cannounce.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/r54594251369e14c185da9662a5340a52afbbdf75d61c9c3a69c8f2e8%40%3Cdev.pdfbox.apache.org%3E
security@apachehttps://lists.debian.org/debian-lts-announce/2018/10/msg00008.html
security@apachehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HKVPTJWZGUB4MH4AAOWMRJHRDBYFHGJ/
security@apachehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPOGHJ5CVMUVCRQU7APBAN5IVZGZFDX/
security@apachehttps://www.oracle.com/security-alerts/cpuapr2020.html
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/645574bc50b886d39c20b4065d51ccb1cd5d3a6b4750a22edbb565eb%40%3Cannounce.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/a9760973a873522f4d4c0a99916ceb74f361d91006b663a0a418d34a%40%3Cannounce.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r54594251369e14c185da9662a5340a52afbbdf75d61c9c3a69c8f2e8%40%3Cdev.pdfbox.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/10/msg00008.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HKVPTJWZGUB4MH4AAOWMRJHRDBYFHGJ/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPOGHJ5CVMUVCRQU7APBAN5IVZGZFDX/
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuapr2020.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	pdfbox	2020-07-28	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.apache.pdfbox:pdfbox	2.0.0 ... 2.0.9 (12 versions)	2.0.12	—

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Red HatRHSA-2020:3192MODERATE2018-10-05
RHSA-2020:3192 — Moderate

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 02:38 UTCEG score recompute
2026-05-23 02:38 UTCVendor advisory

Frequently asked(5)

What is CVE-2018-11797?

CVE-2018-11797 is a medium vulnerability published on October 5, 2018. In Apache PDFBox 1.8.0 to 1.8.15 and 2.0.0RC1 to 2.0.11, a carefully crafted PDF file can trigger an extremely long running computation when parsing the page tree.

When was CVE-2018-11797 disclosed?

CVE-2018-11797 was first published in the National Vulnerability Database on October 5, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-11797 actively exploited?

CVE-2018-11797 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-11797?

CVE-2018-11797 has a CVSS v3 base score of 5.5 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2018-11797?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-11797, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-11797

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