CVE-2018-9918

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
NISTNIST
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
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
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
bullseye
10.1.0-1
fixed
stretch
no-dsa
jessie
no-dsa
wheezy
no-dsa
bookworm
11.3.0-1+deb12u1
fixed
sid
11.9.1-1
fixed
trixie
11.9.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qpdf
bionic
not-affected
artful
Fixed 8.0.2-3~17.10.1
released
xenial
Fixed 8.0.2-3~16.04.1
released
trusty
Fixed 8.0.2-3~14.04.1
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/