Vulnerability Details : CVE-2021-27923
Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for an ICO container, and thus an attempted memory allocation can be very large.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2021-27923
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27923
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27923
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-27923
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-27923
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TQQY6472RX4J2SUJENWDZAWKTJJGP2ML/
[SECURITY] Fedora 33 Update: python-pillow-7.2.0-5.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTSY25UJU7NJUFHH3HWT575LT4TDFWBZ/
[SECURITY] Fedora 32 Update: python2-pillow-6.2.2-5.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html
8.1.1 — Pillow (PIL Fork) 8.1.1 documentationRelease Notes;Vendor Advisory
-
https://security.gentoo.org/glsa/202107-33
Pillow: Multiple vulnerabilities (GLSA 202107-33) — Gentoo securityThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S7G44Z33J4BNI2DPDROHWGVG2U7ZH5JU/
[SECURITY] Fedora 34 Update: python-pillow-8.1.2-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
Jump to