CVE-2021-34552: debian debian_linux Classic Buffer Overflow
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2021-34552SUSE-SU-2021:2595-1SUSE-SU-2021:2631-1SUSE-SU-2021:2632-1GHSA-7534-mm45-c74vBIT-pillow-2021-34552PYSEC-2021-331UBUNTU-CVE-2021-34552DEBIAN-CVE-2021-34552
Published 13-07-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-34552 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 3.19% chance of exploitation in the next 30 days, higher than 87.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 8Timeline
- 13-07-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
7 scores · 5 sources · 3 versionsCritical 9.3Preferred score · OSV · Pypi (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesSingle source
Critical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 5 agree
- 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
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.19%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.19% on 18-09-2026
18-09-202618-10-2026
EPSS score3.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse6 products
- python-Pillow&distro=HPE Helion OpenStack 8< 4.2.1-3.17.1
- python-Pillow&distro=SUSE OpenStack Cloud 7< 2.8.1-4.25.1
- python-Pillow&distro=SUSE OpenStack Cloud 8< 4.2.1-3.17.1
- python-Pillow&distro=SUSE OpenStack Cloud 9< 5.2.0-3.11.1
- python-Pillow&distro=SUSE OpenStack Cloud Crowbar 8< 4.2.1-3.17.1
Debian2 products
- pillow< 8.1.2+dfsg-0.3
- debian_linuxEOL9.0
Ubuntu2 products
- pillow< 2.3.0-1ubuntu3.4+esm3 | < 3.1.2-0ubuntu1.6+esm1 | < 5.1.0-1ubuntu0.7 | < 7.0.0-4ubuntu0.5
- pillow-python2All versions (No fix recorded)
Alpine1 product
- py3-pillow< 8.3.0-r0
Fedoraproject1 product
- fedoraEOL33 | 34
PyPI1 product
- pillow< 8.3.0
Python1 product
- pillow≥ 1.0, ≤ 1.1.7 | ≥ 1.2, ≤ 8.2.0
7 vendors · 14 products
References
27 links
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
