CVE-2021-27921

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Source
https://cve.org/CVERecord?id=CVE-2021-27921
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-27921.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-27921
Aliases
Downstream
Related
Published
2021-03-03T09:15:14.170Z
Modified
2026-03-14T14:43:20.582851Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/python-pillow/pillow

Affected ranges

Type
GIT
Repo
https://github.com/python-pillow/pillow
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
741d8744a54bedbc49f16922c61a06fcb3681f53
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "8.1.1"
        }
    ]
}

Affected versions

1.*
1.0
1.2
1.7.6
1.7.7
1.7.8
2.*
2.0.0
2.1.0
2.2.0
2.2.1
2.2.2
2.3.0
2.5.0
2.6.0
2.6.0-rc1
2.7.0
2.8.0
2.8.1
2.9.0
2.9.0.dev0
2.9.0.dev1
2.9.0.dev2
3.*
3.0.0
3.1.0
3.1.0-rc1
3.2.0
3.3.0
3.3.1
3.4.0
4.*
4.0.0
4.0.0a
4.1.0
4.2.0
4.3.0
5.*
5.0.0
5.1.0
5.2.0
5.3.0
5.4.0
6.*
6.0.0
6.1.0
6.2.0
7.*
7.0.0
7.1.0
7.2.0
8.*
8.0.0
8.1.0

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "32"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-27921.json"