CVE-2026-34180: Software Security Vulnerability Vulnerability
HIGHCVE-2026-34180 is a HIGH (CVSS 7.5) security vulnerability vulnerability (CWE-125: Out-of-bounds Read) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product reads data past the end, or before the beginning, of the intended buffer.. Remediation is available in the latest vendor maintenance releases.
CVE-2026-34180 at a Glance
Security Impact
CVSS: 7.5
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:H).
How to Fix CVE-2026-34180
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-2026-34180, 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-125: Out-of-bounds Read, where the product reads data past the end, or before the beginning, of the intended buffer. 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-2026-34180?
Which Software versions are affected?
What version fixes CVE-2026-34180?
What is the CVSS score of CVE-2026-34180?
What CWE is associated with CVE-2026-34180?
How can I check Maven dependencies for CVE-2026-34180?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-3c8f-qq7h-7qv6",
"modified" : "2026-06-10T09:31:56Z",
"published" : "2026-06-09T18:30:41Z",
"aliases" : [ "CVE-2026-34180" ],
"details" : "Issue summary: Parsing a crafted DER-encoded ASN.1 structure with a primitive\nelement whose content exceeds 2 gigabytes in length may cause a heap buffer\nover-read on 64-bit Unix and Unix-like platforms.\n\nImpact summary: The heap buffer over-read may crash the application (Denial of\nService) or to load into the decoded ASN.1 object contents of memory beyond the\nend of the input buffer. More typically such ASN.1 elements would instead be\ntruncated.\n\nAn integer truncation in OpenSSL's ASN.1 decoder causes the content length of\nan ASN.1 primitive element to be mishandled when it exceeds 2 gigabytes. In the\nworst case the truncated length is treated as a request to scan the binary\ncontent for a terminating zero byte, possibly causing OpenSSL to read either\nless than or beyond the end of the allocated buffer.\n\nApplications that pass attacker-supplied data to d2i_X509(), d2i_PKCS7(), or\nany other d2i_* decoding function are affected. OpenSSL's own command-line\ntools are not vulnerable, as data read through the BIO layer is checked before\nit reaches the affected code. The issue only affects 64-bit Unix and Unix-like\nplatforms; 32-bit platforms and 64-bit Windows are not affected.\n\nThe FIPS modules in 4.0, 3.6, 3.5, 3.4 and 3.0 are not affected by this issue,\nas the affected code is outside the OpenSSL FIPS module boundary.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-34180"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/openssl/commit/1c6908e4fa5fa568752221d8eaf561a809751e5d"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/openssl/commit/cbe418ae978539cf14a398a207dba834c0e93e83"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/openssl/commit/d93853c42110d6319e3df07842b488cb9f7ac5ff"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/openssl/commit/da5d62af75f69d6fbf7803743d7c56ac75461e43"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/openssl/commit/f696c73c3e61b8c502d040af62e690c060908a16"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/security/commit/1c6908e4fa5fa568752221d8eaf561a809751e5d"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/security/commit/cbe418ae978539cf14a398a207dba834c0e93e83"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/security/commit/d93853c42110d6319e3df07842b488cb9f7ac5ff"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/security/commit/da5d62af75f69d6fbf7803743d7c56ac75461e43"
}, {
"type" : "WEB",
"url" : "https://github.com/openssl/security/commit/f696c73c3e61b8c502d040af62e690c060908a16"
}, {
"type" : "WEB",
"url" : "https://openssl-library.org/news/secadv/20260609.txt"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-125" ],
"severity" : "HIGH",
"github_reviewed" : false,
"github_reviewed_at" : null,
"nvd_published_at" : "2026-06-09T17:17:04Z"
}
}