Critical severity · published Jul 13, 2021
CVE-2021-34552
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…
9.8
CVSS
3.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
FE
Fedora · Fedoraproject
33; 34 · source: NVD
PI
Pillow · Python
1.0 through 1.1.7; 1.2 through 8.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34552
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34552
Mailing List
https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7V6LCG525ARIX6LX5QRYNAWVDD2MD2SV/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUGBBT63VL7G4JNOEIPDJIOC34ZFBKNJ/
Release Notes
https://pillow.readthedocs.io/en/stable/releasenotes/8.3.0.html#buffer-overflow
Release Notes
https://pillow.readthedocs.io/en/stable/releasenotes/index.html
Third Party Advisory
https://security.gentoo.org/glsa/202211-10
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