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Vulnerabilities / CVE-2021-34552

critical

CVE-2021-34552

python-pillow: Buffer overflow in image convert function

Published Modified CWE 120
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Red Hat5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Bitnami9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA, Bitnami. Rated lower by Amazon (high), Red Hat (medium), AlmaLinux (medium), Rocky Linux (medium), Ubuntu (low).

Description

Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.

Affected packages and fixed versions

SourcePackageFixed in
bitnami::Bitnami Vulnerability Databasepillow1.1.8, 8.2.1
pip::GitHub Security Advisory pippillow8.3.0
alma 8python3-pillow5.1.1-16.el8
alpine 3.15py3-pillow8.3.0-r0
alpine 3.16py3-pillow8.3.0-r0
alpine 3.17py3-pillow8.3.0-r0
alpine 3.18py3-pillow8.3.0-r0
alpine 3.19py3-pillow8.3.0-r0
alpine 3.20py3-pillow8.3.0-r0
alpine 3.21py3-pillow8.3.0-r0
alpine 3.22py3-pillow8.3.0-r0
alpine 3.23py3-pillow8.3.0-r0
Show all 51 entries from 33 sources
SourcePackageFixed in
bitnami::Bitnami Vulnerability Databasepillow1.1.8, 8.2.1
pip::GitHub Security Advisory pippillow8.3.0
alma 8python3-pillow5.1.1-16.el8
alpine 3.15py3-pillow8.3.0-r0
alpine 3.16py3-pillow8.3.0-r0
alpine 3.17py3-pillow8.3.0-r0
alpine 3.18py3-pillow8.3.0-r0
alpine 3.19py3-pillow8.3.0-r0
alpine 3.20py3-pillow8.3.0-r0
alpine 3.21py3-pillow8.3.0-r0
alpine 3.22py3-pillow8.3.0-r0
alpine 3.23py3-pillow8.3.0-r0
alpine 3.24py3-pillow8.3.0-r0
alpine edgepy3-pillow8.3.0-r0
amazon linux 2python-pillow2.0.0-23.gitd1c6db8.amzn2.0.4
amazon linux 2python-pillow-debuginfo2.0.0-23.gitd1c6db8.amzn2.0.4
amazon linux 2python-pillow-devel2.0.0-23.gitd1c6db8.amzn2.0.4
amazon linux 2python-pillow-doc2.0.0-23.gitd1c6db8.amzn2.0.4
amazon linux 2python-pillow-sane2.0.0-23.gitd1c6db8.amzn2.0.4
amazon linux 2python-pillow-tk2.0.0-23.gitd1c6db8.amzn2.0.4
amazon linux 2023python-pillow-debuginfo9.4.0-2.amzn2023.0.1
amazon linux 2023python-pillow-debugsource9.4.0-2.amzn2023.0.1
amazon linux 2023python3-pillow9.4.0-2.amzn2023.0.1
amazon linux 2023python3-pillow-debuginfo9.4.0-2.amzn2023.0.1
amazon linux 2023python3-pillow-devel9.4.0-2.amzn2023.0.1
amazon linux 2023python3-pillow-tk9.4.0-2.amzn2023.0.1
amazon linux 2023python3-pillow-tk-debuginfo9.4.0-2.amzn2023.0.1
debian 10pillow5.4.1-2+deb10u3
debian 11pillow8.1.2+dfsg-0.3
debian 12pillow8.1.2+dfsg-0.3
debian 13pillow8.1.2+dfsg-0.3
debian 14pillow8.1.2+dfsg-0.3
debian 9pillow4.0.0-4+deb9u3
echopillow8.1.2+dfsg-0.3
rapidfort amazon linux 2023python3-pillow9.4.0-2.amzn2023.0.1
rapidfort amazon linux 2023python3-pillow-devel9.4.0-2.amzn2023.0.1
rapidfort amazon linux 2023python3-pillow-tk9.4.0-2.amzn2023.0.1
Red Hatpython-pillowno fix listed
Red Hatpython-pillow-develno fix listed
Red Hatpython-pillow-docno fix listed
Red Hatpython-pillow-qtno fix listed
Red Hatpython-pillow-saneno fix listed
Red Hatpython-pillow-tkno fix listed
rocky 8python3-pillow5.1.1-16.el8
ubuntu 14.04-ESMpillow2.3.0-1ubuntu3.4+esm3
ubuntu 16.04-ESMpillow3.1.2-0ubuntu1.6+esm1
ubuntu 18.04pillow5.1.0-1ubuntu0.7
ubuntu 18.04-ESMpillow5.1.0-1ubuntu0.7
ubuntu 20.04pillow7.0.0-4ubuntu0.5
ubuntu 20.04-ESMpillow7.0.0-4ubuntu0.5
ubuntu 21.04pillow8.1.2-1ubuntu0.2

References

All 19 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.