Vulnerability Report

CVE-2020-5311

Title: Pillow SGI buffer overflow

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2020-5311.

CWE Category CWE-120

Published Date Jan 03, 2020

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

4.21%

Vulnerability Summary

CVE-2020-5311: libImaging/SgiRleDecode.c in Pillow before 6.2.2 has an SGI buffer overflow.

Impacted Vendors

python 1

Reference Links

https://access.redhat.com/errata/RHSA-2020:0566 https://access.redhat.com/errata/RHSA-2020:0580 https://github.com/python-pillow/Pillow/commit/a79b65c47c7dc6fe623aadf09aa6192fc54548f3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MMU3WT2X64GS5WHDPKKC2WZA7UIIQ3A/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P/ https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html https://usn.ubuntu.com/4272-1/ https://www.debian.org/security/2020/dsa-4631 https://access.redhat.com/errata/RHSA-2020:0566 https://access.redhat.com/errata/RHSA-2020:0580 https://github.com/python-pillow/Pillow/commit/a79b65c47c7dc6fe623aadf09aa6192fc54548f3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MMU3WT2X64GS5WHDPKKC2WZA7UIIQ3A/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P/ https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html https://usn.ubuntu.com/4272-1/ https://www.debian.org/security/2020/dsa-4631

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-5311 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

January 03, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.