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CVE-2020-35653

24
FAUCET Score

CVE-2020-35653 is a buffer over-read vulnerability in Pillow versions prior to 8.1.0, specifically within the PcxDecode function when processing crafted PCX files. This flaw affects various distributions of Linux (Debian, Fedora) and the Python Pillow library itself. It carries a CVSS score of 7.1 (HIGH), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to high impact on availability and low impact on confidentiality. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.1.0CPE matchmatch criteria
cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 70th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: pillowFixed in: 8.1.0
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python-pillow-0:5.1.1-16.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8:v3.6.0-62
View patch

Vendor Advisories (2)

pipGHSA-f5g8-5qq7-938whigh

Pillow Out-of-bounds Read

Mar 18, 2021
redhatCVE-2020-35653Low

python-pillow: Buffer over-read in PCX image reader

Jan 3, 2021

References

lists.debian.org / debian-lts-announce/2021/07/msg00018.html
Mailing List
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD
pillow.readthedocs.io / en/stable/releasenotes/index.html
Release NotesThird Party Advisory