VulnerabilityModified
CVE-2017-18185
There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc.
MEDIUM 5.5EPSS 1.05%
Does this matter?
Lower severity and a low EPSS score (1.05%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.05% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- qpdf project/qpdf
- Source
- cve@mitre.org
EPSS 1.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71Patch, Third Party Advisory
- https://github.com/qpdf/qpdf/issues/150Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/3638-1/
- https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71Patch, Third Party Advisory
- https://github.com/qpdf/qpdf/issues/150Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/3638-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.