CVE-2018-20452

The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/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: 59%
VendorProductVersion
libxls_projectlibxls
1.4.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
r-cran-readxl
bullseye
1.3.1-2
fixed
bookworm
1.4.2-1
fixed
sid
1.4.3-1
fixed
trixie
1.4.3-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
r-cran-readxl
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
eoan
ignored
disco
ignored
cosmic
ignored
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://github.com/evanmiller/libxls/issues/35
https://security.gentoo.org/glsa/202003-64
https://github.com/evanmiller/libxls/issues/35
https://security.gentoo.org/glsa/202003-64