CVE-2021-27923

Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for an ICO container, and thus an attempted memory allocation can be very large.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
VendorProductVersion
pythonpillow
𝑥
< 8.1.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
pillow
bullseye (security)
8.1.2+dfsg-0.3+deb11u2
fixed
bullseye
8.1.2+dfsg-0.3+deb11u2
fixed
stretch
ignored
bookworm
9.4.0-1.1+deb12u1
fixed
bookworm (security)
9.4.0-1.1+deb12u1
fixed
sid
10.4.0-1
fixed
trixie
10.4.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
pillow
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
Fixed 7.2.0-1ubuntu0.2
released
focal
Fixed 7.0.0-4ubuntu0.3
released
bionic
Fixed 5.1.0-1ubuntu0.5
released
xenial
Fixed 3.1.2-0ubuntu1.6
released
trusty
needs-triage
pillow-python2
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
ignored
focal
needs-triage
bionic
dne
xenial
dne
trusty
dne
python-imaging
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
Common Weakness Enumeration
References
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7G44Z33J4BNI2DPDROHWGVG2U7ZH5JU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ/
https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
https://security.gentoo.org/glsa/202107-33
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7G44Z33J4BNI2DPDROHWGVG2U7ZH5JU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ/
https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
https://security.gentoo.org/glsa/202107-33