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.
References (3)
Core 3
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3638-1/
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/qpdf/qpdf/issues/150
Scores
CVSS v3
5.5
EPSS
0.0016
EPSS Percentile
35.9%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
qpdf_project/qpdf
< 7.0.0
Published
Feb 13, 2018
Tracked Since
Feb 18, 2026