CVE-2020-35653: debian debian_linux Out-of-bounds Read
CVSS: 7.1v3.1HighModified
AliasesALPINE-CVE-2020-35653GHSA-f5g8-5qq7-938wBIT-pillow-2020-35653PYSEC-2021-69UBUNTU-CVE-2020-35653DEBIAN-CVE-2020-35653
Published 12-01-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-35653 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
1.64%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 9Timeline
- 12-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.
CVSS metrics
7 scores · 5 sources · 3 versionsHigh 8.3Preferred score · OSV · Pypi (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- OSV · PypiEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.64%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
+0.02 pp
From 1.62% on 19-09-2026
19-09-202619-10-2026
EPSS score1.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- pillow< 8.1.0-1
- debian_linuxEOL9.0
Ubuntu2 products
- pillow< 2.3.0-1ubuntu3.4+esm2 | < 3.1.2-0ubuntu1.5 | < 5.1.0-1ubuntu0.4 | < 7.0.0-4ubuntu0.2
- pillow-python2All versions (No fix recorded)
Alpine1 product
- py3-pillow< 8.1.0-r0
Fedoraproject1 product
- fedoraEOL32 | 33
PyPI1 product
- pillow< 8.1.0
Python1 product
- pillow< 8.1.0
6 vendors · 8 products
References
19 links- pillow.readthedocs.io/en/stable/releasenotes/index.htmlX Refsource MISCWEBREPORTRelease NotesThird Party Advisory
