CVE-2026-86421

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Source
https://cve.org/CVERecord?id=CVE-2026-86421
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86421.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-86421
Aliases
  • GHSA-4jv7-q6xw-6f4x
Downstream
Published
2026-09-07T12:53:44Z
Modified
2026-09-09T03:48:16Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
ImageMagick before 7.1.2-30 Memory Leak via MSL decoder
Details

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-400"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86421.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "fixed": "6.9.13-55"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/imagemagick/imagemagick

Affected ranges

Type
GIT
Repo
https://github.com/imagemagick/imagemagick
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
344e9056f43764bfdf82456faf3bc2feee98a6fe
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "7.1.2-30"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

7.*
7.0.1-0
7.0.1-1
7.0.1-10
7.0.1-2
7.0.1-3
7.0.1-4
7.0.1-5
7.0.1-6
7.0.1-7
7.0.1-8
7.0.1-9
7.0.10-0
7.0.10-1
7.0.10-10
7.0.10-11
7.0.10-12
7.0.10-13
7.0.10-14
7.0.10-15
7.0.10-16
7.0.10-17
7.0.10-18
7.0.10-19
7.0.10-2
7.0.10-20
7.0.10-21
7.0.10-22
7.0.10-23
7.0.10-24
7.0.10-25
7.0.10-26
7.0.10-27
7.0.10-28
7.0.10-29
7.0.10-3
7.0.10-30
7.0.10-31
7.0.10-32
7.0.10-33
7.0.10-34
7.0.10-35
7.0.10-36
7.0.10-37
7.0.10-38
7.0.10-39
7.0.10-4
7.0.10-40
7.0.10-41
7.0.10-42
7.0.10-43
7.0.10-44
7.0.10-45
7.0.10-46
7.0.10-47
7.0.10-48
7.0.10-49
7.0.10-5
7.0.10-50
7.0.10-51
7.0.10-52
7.0.10-53
7.0.10-54
7.0.10-55
7.0.10-56
7.0.10-57
7.0.10-58
7.0.10-59
7.0.10-6
7.0.10-60
7.0.10-61
7.0.10-62
7.0.10-7
7.0.10-8
7.0.10-9
7.0.11-0
7.0.11-1
7.0.11-10
7.0.11-11
7.0.11-12
7.0.11-13
7.0.11-14
7.0.11-2
7.0.11-3
7.0.11-4
7.0.11-5
7.0.11-6
7.0.11-7
7.0.11-8
7.0.11-9
7.0.2-0
7.0.2-1
7.0.2-10
7.0.2-2
7.0.2-3
7.0.2-4
7.0.2-5
7.0.2-6
7.0.2-7
7.0.2-8
7.0.2-9
7.0.3-0
7.0.3-1
7.0.3-10
7.0.3-2
7.0.3-3
7.0.3-4
7.0.3-5
7.0.3-6
7.0.3-7
7.0.3-8
7.0.3-9
7.0.4-0
7.0.4-1
7.0.4-10
7.0.4-2
7.0.4-3
7.0.4-4
7.0.4-5
7.0.4-6
7.0.4-7
7.0.4-8
7.0.4-9
7.0.5-0
7.0.5-1
7.0.5-10
7.0.5-2
7.0.5-3
7.0.5-4
7.0.5-5
7.0.5-6
7.0.5-7
7.0.5-8
7.0.5-9
7.0.6-0
7.0.6-1
7.0.6-2
7.0.6-3
7.0.6-4
7.0.6-5
7.0.6-6
7.0.6-7
7.0.6-8
7.0.6-9
7.0.7-0
7.0.7-1
7.0.7-10
7.0.7-11
7.0.7-12
7.0.7-13
7.0.7-14
7.0.7-15
7.0.7-16
7.0.7-17
7.0.7-18
7.0.7-19
7.0.7-2
7.0.7-20
7.0.7-21
7.0.7-22
7.0.7-23
7.0.7-24
7.0.7-25
7.0.7-26
7.0.7-27
7.0.7-28
7.0.7-29
7.0.7-3
7.0.7-30
7.0.7-31
7.0.7-32
7.0.7-33
7.0.7-34
7.0.7-35
7.0.7-36
7.0.7-37
7.0.7-38
7.0.7-39
7.0.7-4
7.0.7-5
7.0.7-6
7.0.7-8
7.0.7-9
7.0.7.7
7.0.8-0
7.0.8-1
7.0.8-10
7.0.8-11
7.0.8-12
7.0.8-13
7.0.8-14
7.0.8-15
7.0.8-16
7.0.8-17
7.0.8-18
7.0.8-19
7.0.8-2
7.0.8-20
7.0.8-21
7.0.8-22
7.0.8-23
7.0.8-24
7.0.8-25
7.0.8-26
7.0.8-27
7.0.8-28
7.0.8-29
7.0.8-3
7.0.8-30
7.0.8-31
7.0.8-32
7.0.8-33
7.0.8-34
7.0.8-35
7.0.8-36
7.0.8-37
7.0.8-38
7.0.8-39
7.0.8-4
7.0.8-40
7.0.8-41
7.0.8-42
7.0.8-43
7.0.8-44
7.0.8-45
7.0.8-46
7.0.8-47
7.0.8-48
7.0.8-49
7.0.8-5
7.0.8-50
7.0.8-51
7.0.8-52
7.0.8-53
7.0.8-54
7.0.8-55
7.0.8-56
7.0.8-57
7.0.8-58
7.0.8-59
7.0.8-6
7.0.8-60
7.0.8-61
7.0.8-62
7.0.8-63
7.0.8-64
7.0.8-65
7.0.8-66
7.0.8-67
7.0.8-68
7.0.8-7
7.0.8-8
7.0.8-9
7.0.9-0
7.0.9-1
7.0.9-10
7.0.9-11
7.0.9-12
7.0.9-13
7.0.9-14
7.0.9-15
7.0.9-16
7.0.9-17
7.0.9-18
7.0.9-19
7.0.9-2
7.0.9-20
7.0.9-21
7.0.9-22
7.0.9-23
7.0.9-24
7.0.9-25
7.0.9-26
7.0.9-27
7.0.9-4
7.0.9-5
7.0.9-6
7.0.9-7
7.0.9-8
7.0.9-9
7.1.0-0
7.1.0-1
7.1.0-10
7.1.0-11
7.1.0-12
7.1.0-13
7.1.0-14
7.1.0-15
7.1.0-16
7.1.0-17
7.1.0-18
7.1.0-19
7.1.0-2
7.1.0-20
7.1.0-21
7.1.0-22
7.1.0-23
7.1.0-24
7.1.0-25
7.1.0-26
7.1.0-27
7.1.0-28
7.1.0-29
7.1.0-3
7.1.0-30
7.1.0-31
7.1.0-32
7.1.0-33
7.1.0-34
7.1.0-35
7.1.0-36
7.1.0-37
7.1.0-38
7.1.0-39
7.1.0-4
7.1.0-40
7.1.0-41
7.1.0-42
7.1.0-43
7.1.0-44
7.1.0-45
7.1.0-46
7.1.0-47
7.1.0-48
7.1.0-49
7.1.0-5
7.1.0-50
7.1.0-51
7.1.0-52
7.1.0-53
7.1.0-54
7.1.0-55
7.1.0-56
7.1.0-57
7.1.0-58
7.1.0-59
7.1.0-6
7.1.0-60
7.1.0-61
7.1.0-62
7.1.0-7
7.1.0-8
7.1.0-9
7.1.1-0
7.1.1-1
7.1.1-10
7.1.1-11
7.1.1-12
7.1.1-13
7.1.1-14
7.1.1-15
7.1.1-16
7.1.1-17
7.1.1-18
7.1.1-19
7.1.1-2
7.1.1-20
7.1.1-21
7.1.1-22
7.1.1-23
7.1.1-24
7.1.1-25
7.1.1-26
7.1.1-27
7.1.1-28
7.1.1-29
7.1.1-3
7.1.1-30
7.1.1-31
7.1.1-32
7.1.1-33
7.1.1-34
7.1.1-35
7.1.1-36
7.1.1-37
7.1.1-38
7.1.1-39
7.1.1-4
7.1.1-40
7.1.1-41
7.1.1-43
7.1.1-44
7.1.1-45
7.1.1-46
7.1.1-47
7.1.1-5
7.1.1-6
7.1.1-7
7.1.1-8
7.1.1-9
7.1.2-0
7.1.2-1
7.1.2-10
7.1.2-11
7.1.2-12
7.1.2-13
7.1.2-14
7.1.2-15
7.1.2-16
7.1.2-17
7.1.2-18
7.1.2-19
7.1.2-2
7.1.2-20
7.1.2-21
7.1.2-22
7.1.2-23
7.1.2-24
7.1.2-25
7.1.2-26
7.1.2-27
7.1.2-28
7.1.2-29
7.1.2-3
7.1.2-5
7.1.2-6
7.1.2-7
7.1.2-8
7.1.2-9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86421.json"