CVE-2020-11538: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2020-11538 is a high (CVSS 8.1) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.51% chance of exploitation in the next 30 days, higher than 84.8% of scored vulnerabilities.
Severe, CVSS 8.1 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 25-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In libImaging/SgiRleDecode.c in Pillow through 7.0.0, a number of out-of-bounds reads exist in the parsing of SGI image files, a different issue than CVE-2020-5311.
CVSS metrics
7 scores · 5 sources · 3 versions- OSV · PypiEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · Red hatEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.51%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.51% 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: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat6 products
- python-pillow< 0:5.1.1-11.el8_1 | < 0:5.1.1-11.el8_0
- python-pillow-debuginfo< 0:5.1.1-11.el8_1 | < 0:5.1.1-11.el8_0
- python-pillow-debugsource< 0:5.1.1-11.el8_1 | < 0:5.1.1-11.el8_0
- python3-pillow< 0:5.1.1-11.el8_1 | < 0:5.1.1-11.el8_0
- python3-pillow-debuginfo< 0:5.1.1-11.el8_1 | < 0:5.1.1-11.el8_0
Ubuntu2 products
- pillow< 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
Debian1 product
- pillow< 7.2.0-1
Fedoraproject1 product
- fedoraEOL31 | 32
PyPI1 product
- pillow< 7.1.0
Python1 product
- pillow≤ 7.0.0
7 vendors · 13 products