CVE-2020-5311: canonical ubuntu_linux
Vulnerability summary
CVE-2020-5311 is a critical (CVSS 9.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 4.21% chance of exploitation in the next 30 days, higher than 90.9% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 2Timeline
- 03-01-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
libImaging/SgiRleDecode.c in Pillow before 6.2.2 has an SGI buffer overflow.
CVSS metrics
7 scores · 5 sources · 3 versions- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · PypiEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
4.21%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.21% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Debian2 products
- pillow< 7.0.0-1
- debian_linuxEOL9.0 | 10.0
Alpine1 product
- py3-pillow< 6.2.2-r0
Canonical1 product
- ubuntu_linuxEOL18.04 | 19.10
Fedoraproject1 product
- fedoraEOL30 | 31
PyPI1 product
- pillow< a79b65c47c7dc6fe623aadf09aa6192fc54548f3 | < 6.2.2
Python1 product
- pillow< 6.2.2
Ubuntu1 product
- pillow< 5.1.0-1ubuntu0.2
7 vendors · 8 products
References
22 links- pillow.readthedocs.io/en/stable/releasenotes/6.2.2.htmlX Refsource MISCWEBREPORTRelease NotesThird Party Advisory
- github.com/python-pillow/Pillow/commit/a79b65c47c7dc6fe623aadf09aa6192fc54548f3X Refsource MISCWEBFIXPatchThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0566Vendor AdvisoryX Refsource REDHATWEBAdvisoryThird Party Advisory
www.debian.org/security/2020/dsa-4631Vendor AdvisoryX Refsource DEBIANWEBAdvisoryThird Party Advisory- access.redhat.com/errata/RHSA-2020:0580Vendor AdvisoryX Refsource REDHATWEBAdvisoryThird Party Advisory
