CVE-2018-11797
CVE-2018-11797 is a medium-severity vulnerability in Apache Pdfbox with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 4% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Apache Pdfbox
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-11797?
- 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.
- How severe is CVE-2018-11797?
- CVE-2018-11797 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-11797 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-11797?
- CVE-2018-11797 primarily affects Apache Pdfbox. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-11797?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-11797 published?
- CVE-2018-11797 was published on 2018-10-05 and last updated on 2026-06-17.
References
- https://lists.apache.org/thread.html/645574bc50b886d39c20b4065d51ccb1cd5d3a6b4750a22edbb565eb%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/a9760973a873522f4d4c0a99916ceb74f361d91006b663a0a418d34a%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/r54594251369e14c185da9662a5340a52afbbdf75d61c9c3a69c8f2e8%40%3Cdev.pdfbox.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/10/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HKVPTJWZGUB4MH4AAOWMRJHRDBYFHGJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POPOGHJ5CVMUVCRQU7APBAN5IVZGZFDX/
- https://www.oracle.com/security-alerts/cpuapr2020.html
Affected products (8)
- cpe:2.3:a:apache:pdfbox:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:pdfbox:2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:apache:pdfbox:2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:apache:pdfbox:2.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:apache:pdfbox:2.0.0:-:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:retail_xstore_point_of_service:17.0:*:*:*:*:*:*:*
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