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Vulnerability record · CVE-2020-35655 · published 12 January 2021

CVE-2020-35655: Python pillow out-of-bounds read vulnerability

Python · Pillow

In Pillow before 8.1.0, SGIRleDecode has a 4-byte buffer over-read when decoding crafted SGI RLE image files because offsets and length tables are mishandled.

5.4 CVSS 3.1 Medium EPSS 1.6% · top 24.5% CWE-125 · Out-of-bounds read
5.4CVSS 3.1 base score, v2 5.8
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In Pillow before 8.1.0, SGIRleDecode has a 4-byte buffer over-read when decoding crafted SGI RLE image files because offsets and length tables are mishandled.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4
https://pillow.readthedocs.io/en/stable/releasenotes/index.html Release NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4
https://pillow.readthedocs.io/en/stable/releasenotes/index.html Release NotesThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-35655), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.