CVE-2024-41132: SixLabors.ImageSharp SixLabors ImageSharp Has Excessive Memory Vulnerability
MODERATECVE-2024-41132 is a MODERATE (CVSS 5.3) sixlabors imagesharp has excessive memory vulnerability (CWE-789: Memory Allocation with Excessive Size Value) affecting SixLabors.ImageSharp libraries in the NuGet ecosystem. The issue involves sixlabors imagesharp has excessive memory allocation in gif decoder. Remediation is available by upgrading affected packages to version 2.1.9, 3.1.5.
CVE-2024-41132 at a Glance
Security Impact
CVSS: 5.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
How to Fix CVE-2024-41132
To remediate this vulnerability, upgrade all affected SixLabors.ImageSharp dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade SixLabors.ImageSharp to 2.1.9
Upgrade SixLabors.ImageSharp to 3.1.5
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for SixLabors.ImageSharp
How to Check if You Are Affected
To determine whether your application is affected by CVE-2024-41132, inspect your project dependencies for SixLabors.ImageSharp:
inspect dependencies for SixLabors.ImageSharp
Analyze the terminal output to locate any version of SixLabors.ImageSharp in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.9), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-789: Memory Allocation with Excessive Size Value, where the product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. In SixLabors.ImageSharp, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2024-41132 Affected SixLabors.ImageSharp Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
SixLabors.ImageSharp
|
NuGet |
< 2.1.9
|
2.1.9
|
|
SixLabors.ImageSharp
|
NuGet |
≥ 3.0.0
< 3.1.5
|
3.1.5
|
References
Frequently Asked Questions
What is CVE-2024-41132?
Which SixLabors.ImageSharp versions are affected?
What version fixes CVE-2024-41132?
Is SixLabors.ImageSharp affected?
What is the CVSS score of CVE-2024-41132?
What CWE is associated with CVE-2024-41132?
How can I check NuGet dependencies for CVE-2024-41132?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-qxrv-gp6x-rc23",
"modified" : "2024-09-11T16:08:19Z",
"published" : "2024-07-22T17:42:33Z",
"aliases" : [ "CVE-2024-41132" ],
"summary" : "SixLabors ImageSharp has Excessive Memory Allocation in Gif Decoder",
"details" : "### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nA vulnerability discovered in the ImageSharp library, where the processing of specially crafted files can lead to excessive memory usage in the Gif decoder. The vulnerability is triggered when ImageSharp attempts to process image files that are designed to exploit this flaw.\n\n### Patches\n_Has the problem been patched? What versions should users upgrade to?_\n\nThe problem has been patched. All users are advised to upgrade to v3.1.5 or v2.1.9.\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\nBefore calling `Image.Decode(Async)`, use `Image.Identify` to determine the image dimensions in order to enforce a limit.\n\n### References\n_Are there any links users can visit to find out more?_\n- https://github.com/SixLabors/ImageSharp/pull/2759\n- https://github.com/SixLabors/ImageSharp/pull/2764\n- https://github.com/SixLabors/ImageSharp/pull/2770\n- ImageSharp: [Security Considerations](https://docs.sixlabors.com/articles/imagesharp/security.html)\n- ImageSharp.Web: [Securing Processing Commands](https://docs.sixlabors.com/articles/imagesharp.web/processingcommands.html#securing-processing-commands)",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
}, {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "NuGet",
"name" : "SixLabors.ImageSharp"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.1.9"
} ]
} ]
}, {
"package" : {
"ecosystem" : "NuGet",
"name" : "SixLabors.ImageSharp"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.0.0"
}, {
"fixed" : "3.1.5"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-qxrv-gp6x-rc23"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-41132"
}, {
"type" : "WEB",
"url" : "https://github.com/SixLabors/ImageSharp/pull/2759"
}, {
"type" : "WEB",
"url" : "https://github.com/SixLabors/ImageSharp/pull/2764"
}, {
"type" : "WEB",
"url" : "https://github.com/SixLabors/ImageSharp/pull/2770"
}, {
"type" : "WEB",
"url" : "https://github.com/SixLabors/ImageSharp/commit/59de13c8cc47f2b402e2c43aa7024511d029d515"
}, {
"type" : "WEB",
"url" : "https://github.com/SixLabors/ImageSharp/commit/9816ca45016c5d3859986f3c600e8934bc450a56"
}, {
"type" : "WEB",
"url" : "https://github.com/SixLabors/ImageSharp/commit/b496109051cc39feee1f6cde48fca6481de17f9a"
}, {
"type" : "WEB",
"url" : "https://docs.sixlabors.com/articles/imagesharp.web/processingcommands.html#securing-processing-commands"
}, {
"type" : "WEB",
"url" : "https://docs.sixlabors.com/articles/imagesharp/security.html"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/SixLabors/ImageSharp"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-770", "CWE-789" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2024-07-22T17:42:33Z",
"nvd_published_at" : "2024-07-22T15:15:04Z"
}
}