Vulnerability Description
Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for a BLP container, and thus an attempted memory allocation can be very large.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Python | Pillow | < 8.1.1 |
| Fedoraproject | Fedora | 32 |
Related Weaknesses (CWE)
References
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.2.html
- https://security.gentoo.org/glsa/202107-33Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.htmlRelease NotesVendor Advisory
- https://security.gentoo.org/glsa/202107-33Third Party Advisory
FAQ
What is CVE-2021-27921?
CVE-2021-27921 is a vulnerability with a CVSS score of 7.5 (HIGH). Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for a BLP container, and thus an attempted...
How severe is CVE-2021-27921?
CVE-2021-27921 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-27921?
Check the references section above for vendor advisories and patch information. Affected products include: Python Pillow, Fedoraproject Fedora.