CVE-2018-9918

EUVD-2018-21510
libqpdf.a in QPDF through 8.0.2 mishandles certain "expected dictionary key but found non-name object" cases, allowing remote attackers to cause a denial of service (stack exhaustion), related to the QPDFObjectHandle and QPDF_Dictionary classes, because nesting in direct objects is not restricted.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
Affected Products (NVD)
VendorProductVersion
qpdf_projectqpdf
𝑥
≤ 8.0.2
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
17.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qpdf
bookworm
11.3.0-1+deb12u1
fixed
bullseye
10.1.0-1
fixed
jessie
no-dsa
sid
11.9.1-1
fixed
stretch
no-dsa
trixie
11.9.1-1
fixed
wheezy
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qpdf
artful
Fixed 8.0.2-3~17.10.1
released
bionic
not-affected
trusty
Fixed 8.0.2-3~14.04.1
released
xenial
Fixed 8.0.2-3~16.04.1
released
Common Weakness Enumeration
References
https://github.com/qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223
https://github.com/qpdf/qpdf/issues/202
https://usn.ubuntu.com/3638-1/
https://github.com/qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223
https://github.com/qpdf/qpdf/issues/202
https://usn.ubuntu.com/3638-1/