CVE-2026-23352: Software Security Vulnerability Vulnerability
MODERATECVE-2026-23352 is a MODERATE (CVSS 5.5) security vulnerability vulnerability (CWE-401: Missing Release of Memory after Effective Lifetime) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.. Remediation is available in the latest vendor maintenance releases.
CVE-2026-23352 at a Glance
Security Impact
CVSS: 5.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2026-23352
To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
mvn dependency:treeHow to Check if You Are Affected
To determine whether your Java application is affected by CVE-2026-23352, inspect your build dependencies using the Maven Dependency Plugin:
mvn dependency:treeAnalyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.
Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-401: Missing Release of Memory after Effective Lifetime, where the product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse. In Software, 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
References
Frequently Asked Questions
What is CVE-2026-23352?
Which Software versions are affected?
What version fixes CVE-2026-23352?
What is the CVSS score of CVE-2026-23352?
What CWE is associated with CVE-2026-23352?
How can I check Maven dependencies for CVE-2026-23352?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-3ggx-9863-fxcm",
"modified" : "2026-10-15T03:35:24Z",
"published" : "2026-03-25T12:30:23Z",
"aliases" : [ "CVE-2026-23352" ],
"details" : "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/efi: defer freeing of boot services memory\n\nefi_free_boot_services() frees memory occupied by EFI_BOOT_SERVICES_CODE\nand EFI_BOOT_SERVICES_DATA using memblock_free_late().\n\nThere are two issue with that: memblock_free_late() should be used for\nmemory allocated with memblock_alloc() while the memory reserved with\nmemblock_reserve() should be freed with free_reserved_area().\n\nMore acutely, with CONFIG_DEFERRED_STRUCT_PAGE_INIT=y\nefi_free_boot_services() is called before deferred initialization of the\nmemory map is complete.\n\nBenjamin Herrenschmidt reports that this causes a leak of ~140MB of\nRAM on EC2 t3a.nano instances which only have 512MB or RAM.\n\nIf the freed memory resides in the areas that memory map for them is\nstill uninitialized, they won't be actually freed because\nmemblock_free_late() calls memblock_free_pages() and the latter skips\nuninitialized pages.\n\nUsing free_reserved_area() at this point is also problematic because\n__free_page() accesses the buddy of the freed page and that again might\nend up in uninitialized part of the memory map.\n\nDelaying the entire efi_free_boot_services() could be problematic\nbecause in addition to freeing boot services memory it updates\nefi.memmap without any synchronization and that's undesirable late in\nboot when there is concurrency.\n\nMore robust approach is to only defer freeing of the EFI boot services\nmemory.\n\nSplit efi_free_boot_services() in two. First efi_unmap_boot_services()\ncollects ranges that should be freed into an array then\nefi_free_boot_services() later frees them after deferred init is complete.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-23352"
}, {
"type" : "WEB",
"url" : "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/227688312fece0026fc67a00ba9a0b3611ebe95d"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/399da820ecfe6f4f10c143e5c453d3559a04db9c"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/4a2cb90c538f06c873a187aa743575d48685d7a6"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/6a25e25279282c5c8ade554c04c6ab9dc7902c64"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/6d8ba221e7aafaa2f284b7d22faee814c28e009d"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/7131bd1fecc749bc94fb44aae217bbd8a8a85264"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/7dcf59422a3b0d20ddda844f856b4a1e0608a326"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/a4b0bf6a40f3c107c67a24fbc614510ef5719980"
}, {
"type" : "WEB",
"url" : "https://git.kernel.org/stable/c/f9e9cc320854a76a39e7bc92d144554f3a727fad"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-401" ],
"severity" : "MODERATE",
"github_reviewed" : false,
"github_reviewed_at" : null,
"nvd_published_at" : "2026-03-25T11:16:33Z"
}
}