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CVE-2020-10177

16
FAUCET Score

CVE-2020-10177 describes multiple out-of-bounds read vulnerabilities in Pillow versions prior to 7.1.0, specifically within the libImaging/FliDecode.c component, affecting various distributions including Canonical, Debian, Fedora Project, and Python. Rated with a CVSS score of 5.5 (Medium), this vulnerability requires local access and user interaction (e.g., opening a malicious file) to achieve high confidentiality impact, with no integrity or availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.1.0CPE matchmatch criteria
cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.47%
Probability of exploitation in next 30 days
EPSS Percentile
71.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0147 is in the 81st percentile among its peer group of 5,765 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (15)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: PillowFixed in: 7.1.0
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/clair-rhel8:v3.4.0-25
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-bridge-operator-bundle:v3.4.0-3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-bridge-operator-rhel8:v3.4.0-17
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-builder-qemu-rhcos-rhel8:v3.4.0-17
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-builder-rhel8:v3.4.0-18
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-container-security-operator-bundle:v3.4.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-container-security-operator-rhel8:v3.4.0-2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-openshift-bridge-rhel8-operator:v3.4.0-17
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-operator-bundle:v3.4.0-89
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-operator-rhel8:v3.4.0-132
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8:v3.4.0-51
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-pillow
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python-pillow

Vendor Advisories (2)

pipGHSA-cqhg-xjhh-p8hfhigh

Out-of-bounds reads in Pillow

Jul 27, 2020
redhatCVE-2020-10177Low

python-pillow: multiple out-of-bounds reads in libImaging/FliDecode.c

Jun 25, 2020

References

github.com / python-pillow/Pillow/commits/master/src/libImaging
Broken Link
github.com / python-pillow/Pillow/pull/4503
Issue TrackingPatch
github.com / python-pillow/Pillow/pull/4538
Issue TrackingPatch
lists.debian.org / debian-lts-announce/2020/08/msg00012.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427
pillow.readthedocs.io / en/stable/releasenotes/7.1.0.html
Product
usn.ubuntu.com / 4430-1
Third Party Advisory
usn.ubuntu.com / 4430-2
Third Party Advisory