An issue was discovered in Pillow before 8.1.1.
Priority LOW 37CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is a negative-offset memcpy with an invalid size.
Why it matters now
EPSS 0.02372 83rd percentileScored 2026-11-07
Fix Partial pillow (PyPI): 8.1.1Red Hat: 2 advisoriesRed Hat: 2 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | pillow (PyPI) | before 8.1.1 | 8.1.1 | Patch available | GHSA-8xjq-8fcg-g5hw |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pillow (PyPI) Vendor— Affected before 8.1.1 Fixed in 8.1.1 Patch available GHSA-8xjq-8fcg-g5hw
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* | before 8.1.1 | Vulnerable | python-pillow |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* Versions before 8.1.1 Vulnerable ·python-pillow
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
- Fix · GHSA-8xjq-8fcg-g5hw pillow (PyPI) Fixed in 8.1.1 Advisory →
Red Hat 2 advisories
- RHSA-2021:4149 Released 2021-11-09 · Red Hat rating Moderatepython-pillow security update
- Red Hat Enterprise Linux AppStream (v. 8) python-pillow-5.1.1-16.el8, python3-pillow-5.1.1-16.el8
- RHSA-2021:3917 Released 2021-10-19 · Red Hat rating ImportantRed Hat Quay v3.6.0 security, bug fix and enhancement update
- Quay v3 quay/quay-rhel8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Quay v3 | Fixed | RHSA-2021:3917 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:4149 |
Not affected: 1 product
- Quay v3
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25290
- 2026-10-03 Alias added: GHSA-8xjq-8fcg-g5hw
References
Advisory 5
Other 4
Sources
- CVE-2021-25290 · CVE Program
- CVE-2021-25290 · NVD
- FIRST EPSS
- GHSA-8xjq-8fcg-g5hw · GitHub Advisory Database · CC BY 4.0
- CVE-2021-25290 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences