CVE-2021-25287 — Out-of-bounds Read in Pillow

CWE-125 — Out-of-bounds Read11 documents8 sources
Severity
9.1CRITICALNVD
EPSS
0.3%
top 42.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Python PillowFedoraproject FedoraPaloalto Pan-os
Timeline
PublishedJun 2
Latest updateMar 31

Description

An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read in J2kDecode, in j2ku_graya_la.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2

Affected Packages5 packages

▶NVDpython/pillow< 8.2.0
▶PyPIpython/pillow2.4.0 — 8.2.0
▶Debianpython/pillow< 8.1.2+dfsg-0.2+3
▶Ubuntupython/pillow< 2.3.0-1ubuntu3.4+esm5+2
▶Palo Altopaloalto/pan-os

Also affects: Fedora 33

🔴Vulnerability Details

5
OSV
pillow vulnerabilities↗2026-03-31
▶
GHSA
Out-of-bounds Read in Pillow↗2021-06-08
▶
OSV
Out-of-bounds Read in Pillow↗2021-06-08
▶
CVEList
CVE-2021-25287: An issue was discovered in Pillow before 8↗2021-06-02
▶
OSV
CVE-2021-25287: An issue was discovered in Pillow before 8↗2021-06-02
▶

📋Vendor Advisories

5
Ubuntu
Pillow vulnerabilities↗2026-03-31
▶
Palo Alto
PAN-SA-2024-0004 Informational Bulletin: OSS CVEs fixed in PAN-OS↗2024-04-10
▶
Ubuntu
Pillow vulnerabilities↗2021-05-19
▶
Red Hat
python-pillow: Out-of-bounds read in J2K image reader↗2021-04-01
▶
Debian
CVE-2021-25287: pillow - An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read i...↗2021
▶
CVE-2021-25287 — Out-of-bounds Read in Python Pillow | cvebase