CVE-2020-10177: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2020-10177 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.9% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 7Timeline
- 25-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Pillow before 7.1.0 has multiple out-of-bounds reads in libImaging/FliDecode.c.
CVSS metrics
6 scores · 4 sources · 3 versions- OSV · PypiEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.48%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- pillow< 4.0.0-4+deb9u2 | < 7.2.0-1
- debian_linuxEOL9.0
Ubuntu2 products
- pillow< 2.3.0-1ubuntu3.4+esm2 | < 3.1.2-0ubuntu1.4 | < 5.1.0-1ubuntu0.3 | < 7.0.0-4ubuntu0.1
- pillow-python2All versions (No fix recorded)
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 20.04
Fedoraproject1 product
- fedoraEOL31 | 32
PyPI1 product
- pillow< 7.1.0
Python1 product
- pillow< 7.1.0
6 vendors · 8 products
References
39 links- lists.debian.org/debian-lts-announce/2020/08/msg00012.htmlMailing ListX Refsource MLISTWEBThird Party Advisory